A scientist is attempting to date the age of a chosen rock layer. Which of the following is NOT necessary for being able to determine the age using radiometric dating?
a. The half-life of the daughter isotope
b. The half-life of the radioactive isotope
c. The identity and relative abundance of the daughter isotope
d. The relative abundance of radioactive isotope present in the sample

Answers

Answer 1

The statement which is not necessary for being able to determine the age using radiometric dating is the half-life of the daughter isotope. Thus, the correct option for this question is A.

What is Radiometric dating?

Radiometric dating may be defined as a type of methodology that significantly calculates the age of geological material like rocks in years by measuring the presence of a short-life radioactive element.

The age of rocks is determined by radiometric dating, which looks at the proportion of two different isotopes in a sample. Radioactive isotopes break down in a predictable amount of time, enabling geologists to determine the age of a sample using equipment like this thermal ionization mass spectrometer.

Therefore, the statement which is not necessary for being able to determine the age using radiometric dating is the half-life of the daughter isotope. Thus, the correct option for this question is A.

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Related Questions

Classify each description as true of introns only, true of exons only, or true of both introns and exons.a. generally absent from bacterial genomes b. present in eukaryotic genomes c. code for a protein

Answers

The proper responses are:

A. Eukaryotic genomes have this gene ==> Exons and introns both

B. Introns are typically lacking from the genomes of bacteria.

C. Exons are the C-section of the final mRNA strand.

D. Exons are the D-code for an amino acid sequence.

E. Before translation, the initial mRNA strand's E was deleted, resulting in introns.

F-present in the DNA utilized as the transcriptional template ==> Exons and introns both

The exons are the portions of an RNA precursor that are conserved in the RNA after splicing and that are present in mature RNA in the cytoplasm in eukaryotic organisms' genes.

Opposing introns are the sections of the RNA precursor that are excised during splicing. The majority of messenger RNAs (mRNAs) that code for proteins have exons. Occasionally, some mRNAs may go through an alternate splicing process.

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Correct Question:

Classify each description as true of introns only, exons only, or both.

A-present in eukaryotic genomes

B-generally absent from bacterial genomes

C-part of the final mRNA strand

D-code for an amino acid sequence

E-removed from initial mRNA strand prior to translation

F-present in the DNA used as the template for transcription

could natural selection, at any level of organiza- tion, ever cause the extinction of a population or species?

Answers

Natural selection can cause the extinction of a population or species.

Natural selection is the process by which organisms with traits that are better suited to their environment are more likely to survive and reproduce. Over time, this leads to the evolution of a species and the adaptation of populations to their environments.

However, natural selection can also lead to the extinction of a population or species if the environment changes in such a way that the traits that were once advantageous become disadvantageous. For example, if a new predator is introduced into an ecosystem, the population of prey species that lacked the necessary adaptations to escape the predator may decline and eventually become extinct.

Another example is the case of inbreeding depression, where populations that are too small and genetically isolated can experience a decline in fitness and an increased risk of extinction.

This can happen when populations are reduced to small sizes due to habitat loss, fragmentation, or other factors, and as a result, they become more susceptible to genetic drift, reduced heterozygosity, and the expression of deleterious recessive alleles.

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in human body, the ______________ is located in the same coronal plane as the anterior superior iliac spine.

Answers

In human body, the Pubic tubercle is located in the same coronal plane as the anterior superior iliac spine.

The anterior superior iliac spine (ASIS) is a bony protrusion of the iliac bone that serves as an essential marker in surface anatomy. It refers to the pelvic iliac crest's anterior extremity. It serves as an attachment point for the inguinal ligament and the sartorius muscle.

The tensor fasciae latae muscle joins to the lateral side of the superior anterior iliac spine as well as the iliac tubercle around 5 cm distant.

The anterior superior iliac spine is the anterior extremity of the pelvic iliac crest. This is an important surface marker that may be felt. It serves as an attachment point for the inguinal ligament, sartorius muscle, and tensor fasciae latae muscle.

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The Environmental Protection agency mandates that chemical disinfectants state on their labels that items to be disinfected must first be cleaned of gross debris. What "debris" would commonly be encountered in a medical or dental environment that would interfere with effective disinfection?

Answers

In a medical or dental setting, where the utmost attention to hygiene is of the essence, common debris that could pose a hindrance to the successful disinfection of surfaces encompasses organic matter like blood, saliva, mucus, and bodily fluids.

These substances, if left unattended, can act as a physical barrier, obstructing the access of disinfectants to the surface and reducing their potency, thereby allowing the proliferation of bacteria.

The failure to remove this debris before administering chemical disinfectants could lead to inadequate cleaning and disinfection, and hence, the potential for harmful microorganisms to flourish.

The presence of organic matter like blood, saliva, mucus, or other bodily fluids on a surface acts as a breeding ground for bacteria, providing them with sustenance to proliferate.

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What gland secretes hormones regulating growth and metabolism?

Answers

Answer:

The pituitary gland

Explanation:

The pituitary gland makes many hormones, such as: growth hormone, which stimulates the growth of bone and other body tissues and plays a role in the body's handling of nutrients and minerals.

Urbanization began to grow especially quickly after the:_________

Answers

Urbanization began to grow especially quickly after the Industrial revolution.

The population transfer from rural to urban regions, the concomitant decline in the number of people living in rural areas, and the methods by which societies adjust to this transition are all referred to as urbanization. It is primarily the process by which towns and cities are created and enlarged as more people move into urban centers to live and work.

Although the terms are occasionally used interchangeably, urbanization and urban expansion should be separated. Urbanization is the percentage of the entire country's population that resides in urban areas, whereas urban growth is the precise number of people who live there.

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As a nutrition scientist, you have been tasked with developing a new nutrition bar that will be nutritious, portable, and easily digestable. What would be the major substances you would include in this bar to meet these criteria?

Answers

Nutrients are the substances which are required by an organism for their survival, growth, and reproduction.

What are Nutrients?

A nutrient is a substance which is used by an organism to survive, grow, and reproduce in the environment. The requirement for these dietary nutrients intake applies to all the living organisms present on the planet such as animals, plants, fungi, and protists.

The major substances and the macronutrients and the micronutrients which should be included in the nutrition bar include:

Macronutrients such as:

Carbohydrates: This will be included in cereals, grains and oats

Protein: This is found in the eggs, fishes etc.

Fat: This is found in milk, cheese etc.

These macronutrients helps in providing energy or calories to an individual.

Micronutrients are the nutrients which are required in small amount. The micronutrients include vitamins and minerals, these are needed in smaller amounts and are found in fruits and vegetables.

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Your question is incomplete, most probably the complete question is:

As a nutrition scientist, you have been tasked with developing a new nutrition bar that will be nutritious, portable, and easily digestable. What would be the major substances you would include in this bar to meet these criteria?

There is a lot of debate as to the nutritional standards that should guide elementary school food programs. Based on what you understand about different macronutrients and micronutrients, what would be your recommendations for foods to make available for the students?

Certain cells in your pancreas make digestive enzymes that are secreted into ducts and carried to your small intestine. If you looked at these pancreatic cells with electron microscopy, you would expect to see?a. numerous cilia on the cell surfaces b. multiple nuclei per cell. c.large amounts of rough ER. d. few ribosomes but numerous vacuoles. e. large numbers of primary lysosomes

Answers

If you looked at pancreatic cells that produce digestive enzymes with electron microscopy, you would expect to see large amounts of rough endoplasmic reticulum (ER). Here option C is the correct answer.

The rough ER is a network of flattened membranes that are involved in protein synthesis and transport.

In the case of pancreatic cells, the rough ER is involved in the synthesis of digestive enzymes, which are secreted into the ducts and carried to the small intestine. The digestive enzymes are then used to break down food in the small intestine.

The rough ER is distinguishable from other cellular structures under the electron microscope due to its rough appearance, which is caused by the presence of ribosomes on the membrane surface. These ribosomes are involved in protein synthesis and are the site of the translation of messenger RNA into proteins.

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The genetic information of an organism is stored in?

Answers

Answer:

The Nucleus

Explanation:

DNA is the genetic information of the cell, and it is stored in the nucleus.


In living organisms, the genome is stored in long molecules of DNA called chromosomes. Small sections of DNA, called genes, code for the RNA and protein molecules required by the organism. In eukaryotes, each cell's genome is contained within a membrane-bound structure called the nucleus.

What happens if a gene is not expressed?


A different protein is synthesized.

A protein is destroyed.

A protein is shaped differently.

A protein is not synthesized.

Answers

If not expressed a protein is not synthesized therefore D is the answer

Answer: a protein is not synthesized .

Explanation: i misread the answer above me and got it wrong so it showed me the correct answer .

describe the structural characteristics of epithelial tissue that distinguish it from other tissue types.

Answers

The structural characteristics differentiating epithelial tissues from others are: (1) cells are placed tightly together as it forms the lining of external surface as well as internal organs; (2) the cells are avascular; (3) the transport of molecules is very selective.

Epithelial tissues are formed of thin layer of cells that line the external surface of the body (skin) and the internal organs. These perform several functions like protection, secretion, absorption, special sensory receptive, etc.

Avascular is the condition inside the body where the organ or part of the body lacks the supply of blood. The example of such parts are: epithelial tissue, cornea of eye, cartilage, nails, etc. This is because these regions get oxygen directly through air.

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Landlocked nations do not contribute to marine debris.


Please select the best answer from the choices provided

T
F

Answers

Landlocked nations do not contribute to marine debris F.

What is the marine debris?

Marine debris is any form of human-created waste that is disposed of or discarded and ends up in the marine environment. It can include plastic, metal, glass, rubber, paper, wood, abandoned fishing gear, and other debris. Marine debris is a global problem that has a negative impact on the environment, wildlife, and human health. It can cause the death of marine animals by entanglement, ingestion, or suffocation, and can damage coral reefs, seagrass beds, and other marine habitats. It can also harm fishing and recreational activities, and even contaminate seafood with chemicals and toxins. In addition, marine debris can spread invasive species, and can hinder navigation, communication, and other activities. The main sources of marine debris are land-based sources such as landfills, sewage systems, agricultural runoff, and other sources.

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cells use this molecule to store the chemical energy released by the breakdown of food molecules during cellular respiration is?

Answers

The answer to this is glucose

which of the four major biological macromolecules can be easily identified by the nitrogen base found in its structure

Answers

Answer:The macromolecule that can be easily identified by the nitrogen base found in its structure is nucleic acids, specifically deoxyribonucleic acid (DNA)

Explanation:The macromolecule that can be easily identified by the nitrogen base found in its structure is nucleic acids, specifically deoxyribonucleic acid (DNA). DNA is made up of nitrogenous bases, including adenine (A), cytosine (C), guanine (G), and thymine (T), which form the "rings" of the DNA double helix. The specific sequence of these nitrogenous bases encodes the genetic information that controls the development and functioning of all living organisms.

the fact that a single defective protein causes cystic fibrosis, a multisystemic illness, proves that

Answers

An understanding of anatomy and physiology is necessary to comprehend organ systems and organisms.

What exactly does it mean to "use a method that returns the internal environment to its initial state"?

Endocrine system hormones regulate blood glucose levels, blood pressure, appetite, and other body processes to maintain homeostasis. The organs that carry out the tasks necessary to maintain homeostasis are referred to as effectors.

The ability to maintain a constant, predictable internal environment is known as homeostasis. The body controls a number of other variables' homeostasis in addition to temperature. For instance, it's crucial to keep your blood's pH, glucose, and other ion concentrations at healthy ranges.

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What is Volcanic Eruption

> How it forms?
> Pacific ring of fire, ilang volcanoes ang active rito
> Alert Systems, including kung ano ang ahensiya

- Perspectives of Volcanic Eruption

Pls po i really need this help. I'll mark brainliest who answered po.

Answers

A volcanic eruption is the release of molten rock, ash, and gas from a volcano.

Volcanic eruptions occur when magma, the molten rock within the Earth's mantle, rises to the surface and erupts. This can happen due to a build-up of pressure in the magma chamber, or when magma interacts with groundwater or overlying rock, causing explosive eruptions.

The Pacific Ring of Fire is a region that is particularly prone to volcanic and seismic activity, with many active volcanoes.

To manage the risk of volcanic eruptions, various alert systems have been put in place by different agencies. For example, in the United States, the United States Geological Survey (USGS) monitors volcanic activity and issues warnings and alerts as necessary.

In terms of perspectives, volcanic eruptions can have both positive and negative impacts on the environment and human populations. On one hand, they can lead to the formation of new land and contribute to soil fertility. On the other hand, they can cause significant damage and loss of life, particularly when they occur in populated areas. It is important to understand the dangers posed by volcanic eruptions and to have effective emergency response and evacuation plans in place to minimize their impact.

the cow bos primigenius is bred by humans for meat and milk. it has a smaller brain and larger eyes than closely related wild species of ungulates. these traits most likely arose by .

Answers

Traits of the cow arose by c)Artificial selection resulted in changes in the lineage which leads to domestic cows because humans wanted animals with high milk output and high muscle content. So, correct option is c.

Well before Darwin and Wallace, individuals were utilizing determination to change the elements of plants and creatures. Ranchers and raisers permitted just the plants and animals with beneficial attributes to duplicate, causing the advancement of homestead stock. This cycle is called counterfeit determination since individuals (rather than nature) select which living beings get to reproduce. Artificial selection is the ID by people of beneficial attributes in plants and creatures, and the means taken to upgrade and sustain those qualities in people in the future.

Artificial selection  works the same way as normal choice, then again, actually with regular determination it is nature, not human impedance, that makes these decisions. Artificial selection has for some time been utilized in agribusiness to create creatures and harvests with helpful attributes. The meats sold today are the aftereffect of the specific reproducing of chickens, steers, sheep, and pigs.

Hence,correct option is b.

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(Complete question) is:

The cow Bos primigenius (which is farmed for meat and milk) has a smaller brain and larger eyes than closely related species of wild ungulates. Which of the following statements best describes the process that led to differences between domesticated/farmed cows and their wild relatives?

a) Natural selection resulted in changes in the wild species because humans preyed upon them.

b) Natural selection resulted in changes in the lineage leading to domesticated cows because humans provided food for their cows.

c) Artificial selection resulted in changes in the lineage which lead to domestic  cows because humans wanted animals with high milk output and high muscle content.

d) Artificial selection resulted in changes in the lineage leading to domesticated cows because humans wanted animals that would see predators and escape from them.

a stream of charged particles produced by the corona called?

Answers

The solar wind is a jet of charged particles that the Sun's corona, or atmosphere, releases space. Electrons, protons, or alpha particles of kinetic energies ranging from 0.5 to 10 keV.  the majority of this plasma.

What do the solar wind's charged particles consist of?

A stream of energetic, charged particles, principally electrons and protons, traveling through the solar system from the Sun at speeds of up to 900 km/s and a temperature of one million degrees is known as the solar wind (Celsius). Plasma is used to make it.

What is the charged particle stream?

A solar radiation is a plasma, a continuous flow or particles (ions or electrons) from of the Sun into to the space between the planets. The solar corona is made up of a highly hot plasma with a temperature exceeding millions of degrees, which allows the particles to escape from the Sun's grasp.

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what would you predict might be a phenotypic effect of a mutation that affects a mitochondrial gene?

Answers

In rare circumstances, inherited variations in mitochondrial DNA can interfere with system growth, development, and operation. These variations, sometimes referred to as mutations, impair the mitochondria's capacity to produce energy for cells effectively.

What impact do mutations in the mitochondria have on the phenotype?

In addition, mitochondrial mutations frequently result in more obvious phenotypes in tissues with high energy needs, such as brain, retinal, skeletal muscle, and cardiac muscle tissues. This is because mitochondria serve as the powerhouses of our cells.

Since most patients' DNA extracted from blood cannot identify deletions, single or multiple deletions in mtDNA are often discovered by Southern blot analysis and are best proved by examining DNA isolated from muscle.

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What type of tissue produces digestive juices in the stomach?

Answers

Tiny glands. Inside this hollow organ is a lining around the mucosa. In the mouth, stomach and small intestine, the mucosa contains tiny glands that produce juices to help digest food.

Which of the following evolutionary innovations of seed plants enabled them to outcompete ferns and other seedless plants that dominated through the end of the Carboniferous period? A. heterospory B. reduced, dependent gametophytes C. vascular systems D. flowers

Answers

The correct option is B ; Reduced, dependent gametophytes , When compared to nonvascular plants, seedless vascular plants (lycophytes, ferns, and horsetails) have two major adaptations: true roots and vascular tissue.

These adaptations allowed seedless vascular plants to outcompete nonvascular plants during the early stages of land life's colonization. Because spores can only germinate in the right environmental conditions, producing a large number increases the likelihood that at least one will end up in an area with those conditions. Endosymbiotic organelles in eukaryotic organisms include mitochondria (found in most eukaryotes) and chloroplasts (found only in plants and algae), as well as a few less obvious examples.

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individuals of the same species that live, interact and migrate through the same niche and habitat are called a. population b. fauna c. flora d. flora and fauna

Answers

Individuals of the same species that live, interact and migrate through the same niche and habitat are called  population.

What is species?

Species are groups of creatures that have similar traits and are of hybridization. We humans serve as an example frequently.

Resources cause species biodiversity because migrating organisms lead to it moving from one location to another in quest of nourishment to sustain itself. Resources will be more readily available, which will result in more species and more reproduction.

biodiversity will increase as more creatures move into the area.

On the other hand, a lack of resources leads to a decline in species variety and a slower rate of reproduction.

A group of creatures known as a biological species can procreate with one another in the wild and give birth to healthy offspring.

Simply said, species are different sorts of life. For instance, there is only one species of human, Homo, according to science.

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proteus vulgaris has a doubling time of roughly 28 minutes. if an initial population of 500 cells is allowed to grow for 6 hours in ideal conditions, what will be the final population? use three significant figures for your final answer (e.g. 16,796.654 would become 16,800).

Answers

Rounding to three significant figures, the final population of Proteus Vulgaris would be approximately 16,800 cells.

To determine the final population of Proteus Vulgaris after 6 hours of growth in ideal conditions, we can use the formula for exponential growth: N = [tex]N0 \times 2^{({\frac{t}{d}})[/tex], where N is the final population, N0 is the initial population, t is the time in minutes, and d is the doubling time in minutes.

First, we need to convert the time from hours to minutes: 6 hours × 60 minutes/hour = 360 minutes. Then, we can plug in the values and solve for N:

N = [tex]500 \times 2^{({\frac{360}{28} })[/tex]

= 500 × 2^12.98

= 500 × 16,797.7

Note that this is an estimate based on ideal conditions, and the actual population may be lower or higher depending on factors such as the availability of nutrients, the presence of predators or competitors, and the impact of any external stresses.

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in a population of butterflies under strong natural selection large wings are favored. if there is no genetic variation for wing size, what would one expect to occur in the next generation?

Answers

If there is no genetic variation in wing size in a population of butterflies under strong natural selection for large wings, then it is unlikely that any significant changes would occur in the next generation.

Natural selection acts on existing genetic variation in a population, favoring traits that increase an organism's ability to survive and reproduce. If there is no genetic variation for a particular trait, such as wing size, then natural selection cannot act on that trait and there will be no changes in the frequency of alleles or traits in the population.

In this case, even though large wings are favored, there is no genetic variation in wing size, so all individuals in the population have the same wing size. This means that there is no variation for natural selection to act upon, and the frequency of alleles or traits in the population will remain the same.

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lipids and fatty acids can form different types of supramolecular structures in water. the most common is what?

Answers

The primary lipid found in foods and the body; it is made up of three fatty acids linked to the glycerol backbone. The three-carbon structure of triglycerides.

What do we mean by lipids?

Lipids are compounds that are fatty, waxy, or oily. They dissolve in organic solvents but not in polar solvents such as water. Lipids are made up of: Fats and oils (triglycerides) Phospholipids. Waxes. These organic compounds are nonpolar molecules that can only dissolve in nonpolar solvents because water is a polar molecule. These molecules, which are found in foods such as oil, butter, whole milk, cheese, fried foods, and some red meats, can be produced in the human body by the liver.

Lipids are a class of organic substances that include fats and oils. These molecules generate a lot of energy and control a variety of bodily processes.

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angela is focusing her study efforts on biology, a subject she knows nothing about. specifically, she is focused on an assignment involving dissection. she is likely to use

Answers

A variety of tools and resources to learn about dissection in biology. Here are some of the most common tools and resources that Angela may use: Textbooks, Lab manuals, Online resources, Laboratory equipment and Preserved specimens.

Textbooks: Angela may use biology textbooks to gain a general understanding of the concepts and procedures involved in dissection. These textbooks will provide her with an overview of the anatomy and physiology of the organisms being dissected and explain the steps involved in dissecting them.

Lab manuals: In addition to textbooks, Angela may use lab manuals specifically designed for dissection assignments. These manuals will provide her with step-by-step instructions for performing dissections, as well as diagrams and illustrations to help her understand the process.

Online resources: Angela may use online resources such as videos, tutorials, and articles to gain a deeper understanding of dissection. She may also use online forums and discussion boards to ask questions and get advice from other students or instructors.

Laboratory equipment: Angela will also use a variety of laboratory equipment for her dissection, such as scalpels, scissors, forceps, probes, and dissecting needles.

Preserved specimens: Angela will likely use preserved specimens, such as frogs, worms, or other animals, for her dissection. These specimens will help her to see the anatomy and physiology of the organism up close and to practice the techniques involved in dissection.

Overall, Angela is likely to use a combination of these tools and resources to gain a comprehensive understanding of dissection in biology and to prepare for her assignment.

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Golgi Body
Cell Membrane
Nuclear Membrane
O
Ribosomes
Vacuoles
Cross-Section of an Animal Cell

Answers

The Golgi body is a cellular organelle that is responsible for modifying and processing proteins and lipids that are produced by the cell. It plays a critical role in the transport and packaging of these molecules for delivery to their appropriate destinations within or outside the cell.

The cell membrane, also known as the plasma membrane, is a thin, semi-permeable barrier that surrounds & encloses the contents of the cell.

The nuclear membrane, also known as the nuclear envelope, is a double-layered structure that surrounds the cell's nucleus, separating it from the rest of the cell.

Ribosomes are small organelles within the cell that are responsible for the synthesis of proteins. They read genetic information encoded in RNA & use it to assemble the correct sequence of amino acids into a functional protein.

Vacuoles are membrane-bound sacs within the cell that play a variety of roles including storage of nutrients, water, and waste products. 

Cross-Section of an Animal Cell, this refers to a view of an animal cell as if it were cut in half, showing its internal structure.

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Two similar waves are traveling through the same medium. Wave A has a frequency that is 3 times that of wave B. How do their wavelengths compare?

a. λA=1/9 λB
b. λA=λB
c. λA=1/3 λB
d. λA=3 λB

Answers

Answer:

The wavelength of wave B will be greater than wavelength of wave A which has greater frequency.

What is wavelength?

The wavelength of a wave is the distance traveled by the wave.

The relationship between wavelength and frequency of a wave is given as;

v = fλ

λ = v/f

At a constant speed of sound, increase in frequency causes a decrease in the wavelength of a given wave.

Thus, the wavelength of wave B will be greater than wavelength of wave A which has greater frequency.

Explanation:

The wavelength of wave B will be greater than wavelength of wave A which has greater frequency. It means λA=1/3 λB. The correct option is c.

What is wavelength?

The distance over which a periodic wave's shape repeats is known as the wavelength in physics. The distance a wave travels is measured by its wavelength.

The following is the formula for a wave's relationship between wavelength and frequency:

v = fλ

λ = v/f

A given wave's wavelength decreases as its frequency rises with a constant speed of sound.

Thus, the correct option is c.

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the breakdown of food into nutrients requires secretions from: group of answer choices stomach liver and pancreas salivary glands small intestine all of the above

Answers

All of the aforementioned secretions are required for the breakdown of food into nutrients: the small intestine, liver, pancreas, salivary glands, and stomach.

Gastric juice is produced by the stomach and contains hydrochloric acid and digestive enzymes that aid in the breakdown of food. In order to assist in the digestion and absorption of carbohydrates and fats, the pancreas and liver secrete digestive enzymes and bile into the small intestine, respectively. The enzyme amylase is present in saliva, which is produced by the salivary glands, to initiate the breakdown of carbohydrates in the mouth. Digestive enzymes are also produced by the small intestine to degrade the food's remaining nutrients.

As a result, multiple organs and glands must cooperate in order for food to be broken down into nutrients.

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populations that emerged from the k-pg extinction (extinction of the dinosaurs) were markedly different from their pre-disaster communities. this is called:

Answers

There is proof that an asteroid strike was the main culprit. Large-scale volcanic eruptions have changed the climate as well as dramatic changes to it that happened over millions of years.

After the asteroid, why long did dinosaurs survive?

In 9 months, the darkness brought on by the dinosaur-killing asteroid ended all life on Earth. Plants and animals perished as the sunlight faded. Dark days — literally — followed the asteroid catastrophe that wiped off non-avian dinosaurs.

Which three hypotheses explain the demise of dinosaurs?

Following one of the biggest mass extinctions in the history of our planet, caused by a devastating asteroid impact, extensive volcanic activity, climate change, and other factors, most dinosaur lineages vanished by roughly 66 million years ago, according to paleontologists.

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what term is used to describe an employment practice that lacks discriminatory content but still leads to discrimination? multiple choice question. legally permissible hiring practice accidentally anti-minority hiring practice indiscriminate employment practice facially neutral employment practice when planning for starting your career, what can you do to stay resilient? multiple choice create your action plan. identify your options. know that it takes time to find a job. explore conditions in your target field. Your teacher tells you, Diseased tissue comes from unhealthy cells. Which statement best explains why this information is true? Cells are made from tissue.Tissues are made from cellsOnly unhealthy cells make tissue.Cells and tissue are the same thing.answer is B in reproduction, what is transmitted to the offspring that will determine what the offspring are like? Miss While said We must paint our room tomorrow. Miss While said 11. Ill drive to the park. I insist He said to me. He insisted 12. It was very nice of you to help me carry my suitcase. Mrs. An thanked me 13. Im sorry I didnt invite you in the hospital Ms An said to her friend. Ms An apologized 14. Im very happy you have passed the exams. Congratulation Bill said to Mary. Bill congratulated 15. If I have free time, I will go shopping with you. Tan said to his friend. Tan told Guidry asks why make him a man. For what purpose does Grant say? In a class of 30 children, 6 of the children are girls. What percentage of the class are girls? which of the following best describes producers? question 14 options: organisms that feed on dead and decaying material k-selected species organisms that obtain energy and nutrients by feeding on another organism organisms that convert solar energy to chemical energy via photosynthesis after the first few words, vocabulary development is very fast and very efficient. young children are able to associate new words with objects after only one exposure; this is an ability called: How did the US change the government of Japan after World War II?It allowed the emperor to gain more power.It put Japans military in charge.It barred former soldiers from voting.It created a democratic government. Determine the sum of the first 4 terms of "0.981 using binomial expansion. Foot Cab (5 marks) (5 marks) Please help me with this. I will give an brainily out. Thank you . The haunting of hill house book by Shirley Jackson. 2 Mettez dans l'ordre Numrotez les phrases suivantes dansl'ordre correspondant l'histoire.a. Michle a un problme avec l'addition.b. Amina prend (gets) un sandwich jambon-fromage.c. Sandrine dit qu'elle (says that she) a soif.d. Rachid rentre l'appartement.e. Valrie va chercher du pain.f. Tout est prt pour la table d'Amina et Sandrine. Work presented by Morris and colleagues was the first to describe which of the following among double-decker bus workers in London, England? a) Resistance training is associated with reduce the risk of sarcopenia.b) Weight-bearing exercise is associated with reduced risk of osteoporosis. c) High-intensity interval training is associated with improved VO2. d) Greater amounts of PA were associated with reduced risks of CVD. which of the following items must be labeled with a biohazard label or be colored red or orange to indicate it is a biohazard? Why does Prospero set up Miranda and Ferdinand? what is the number of rails that need to be raised on the side of the bed that you are turning the patient towards? janavi and mehmet are the parents in this family: all others on the gel are children. son ravi is born with the blood disorder but daughter prita does not have the disorder. does anyone else in the family have the disorder? explain. Many stimuli are processed by our sensory receptors and our brains, but if they are not the focus of our selective attention, they never enter our conscious awareness. Which of these is a result when that happens? o inability to remember a stimulus. o habituation o all of these are correct o different reports of what happened from witnesses of the same event cheese skippers, on the body. Which stage of decomposition has the body reached?