Answer:
C wind erosion is most responsible for the formation of sand dunes.
Explanation:
Sand dunes are formed when wind blows loose sand from a beach, desert, or other location, and deposits it in a new location. The sand is then shaped by the wind into dunes, which can vary in size and shape depending on the strength and direction of the wind. Water erosion, volcanism, and glaciation can all also contribute to the formation of sand dunes to some extent, but wind erosion is typically the primary process responsible for their formation.
2. Which is probably most responsible for the
formation of this landform?
wind
water
plants
animals
The most likely factor in the creation of this landform is wind. The horizontal movement of air caused by a pressure differential between two locations is known as wind.
What does wind mean in both senses?Wind is the flow or rush of winds or an air stream, and it corresponds with bend and tend. The metaphorical term "wind" can also refer to a force that drives social or political change. A person who has run out of energy is described as winded. The word "wind" can also refer to a person's breath.
Why does wind exist?The uneven burning of the Planet by both the sun and also the Earth's rotating motion result in wind, which is the air's movement. Light breaths to natural disasters like hurricanes and tornadoes are all types of winds.
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DNA Sequence CCT CTT TAC ACA CGG AGG GTA CGC TAT TCT ATG ATT ACA CGG TTG CGA TCC ATA ATC
Create an mRNA sequence from the above DNA sequence
mRNA sequences: UGG AGA AAU GUG UGC CUC CCA UGC GAU AAG AUG UGC CAA CGC GUA UUA GUA AUA CUA AUG UGC
What function does mRNA serve in the Covid vaccine?Your cells learn how to produce duplicates of the spike protein from the mRNA in the vaccination. If you later come into contact with the actual virus, your body will be able to detect it and fight it off. The instructions are sent by the mRNA, which is then degraded and eliminated by your cells.
mRNA vaccines: are they better?Many scientists believe that the large amounts of virus-blocking antibodies, known as neutralizing antibodies (nAbs), that the mRNA vaccines produce explain why they are so effective at preventing infection.
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Which organelle synthesises energy for active transport?
A.
Golgi Body
B.
Endoplasmic reticulum
C.
Centriole
D.
Mitochondria
Answer: the answer is D
Explanation:
The fossil of S. crassirostris was found in limestone that formed in a warm sea-
water lagoon. What could you infer were the feeding habits and food of this
animal? Explain your answer.
The location of the fossil of S. crassirostris suggests that they might have eaten similar to modern-day "skimmers," a rare breed of shorebirds from the genus Rynchops that flies over still bodies of water and uses its submerged lower jaw to scoop up small fish and crustaceans.
What are Feeding Habits?The term "feeding habit" can apply to both the type of food that an animal consumes and the manner in which it obtains it.
Fossils are any surviving remains, impressions, or evidence of a once-living thing from a previous geological epoch. Examples include exoskeletons, bones, shells, animal or microbe imprints in stone, items preserved in amber, hair, petrified wood, and DNA traces.
An example is the fossil of S. crassirostris was found in limestone that formed in a warm sea-water lagoon.
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1. Which of these are included in the biosphere? A) Landslide B) Plant pollen C) Glacier D) Volcanic gas
Answer:
B: Plant pollen is the only one included.
provides an opportunity to get
to know someone of the opposite sex outside your own family.
College life or getting to meet people provides an opportunity to get to know someone of the opposite sex outside your own family.
Understand differences and similarities of both genders, and learn how to get along with each other.
Establish good interpersonal relationships, enrich your social life.
Understand each otherAccept each otherLook for similaritiesLearn from each otherComplement each otherChoose friends carefullyBe sincereHow to Get to Know the Person
1 Ask open-ended questions
2 Ask them questions about the future
3 Learn about the interests
4 Be curious about the life
5 Actively listen to them
6 Open up about past.
7 Invite them to hang out with closest friends
8 Spend a typical day together
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Researchers determine the population of phytoplankton in an area of the ocean is significantly decreased compared
to the previous year. What can they conclude from this observation? (1 point)
The plankton as a carbon sink will be less than expected, but the plankton as a carbon source will
be greater than expected.
The plankton as a carbon sink and as a carbon source in the area will be less than expected.
The plankton as a carbon sink will be greater than expected, but the plankton as a carbon source
will be less than expected.
O The plankton as a carbon sink and as a carbon source in the area will be greater than expected.
This information might be used to draw the conclusion that there will be fewer plankton in the region than is typical both as a carbon source and sink, hence B is the appropriate response to this question.
What is phytoplankton?The kind of organisms that live in watery habitats are known as phytoplankton.
These species are autotrophic in nature and are the producers of this ecosystem. These creatures share a characteristic with terrestrial plants in that they both contain chlorophyll.
Therefore, if the phytoplankton population falls in the coming year, it means that the region's carbon supply and sink will be less than anticipated.
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Which numbers are all characteristics of life things?
1. Complex, ordered organization consisting of one or more cells
2. Use and transforms energy to perform work
3. Sensitive and responsive to the external environment
4. Regulate internal conditions
5. Grow, develop, and reproduce
6. Evolutionarily adapt and over time undergo descent but with modification
Does Plantae have a peptidoglycan
Plants Produce Immunogenic Peptidoglycans, almost all bacterial cell walls, with the exception of those of Archaea, include it as a hard component and it helps give bacteria their characteristic form.
What is Peptidoglycans?In most bacterial species, the cytoplasmic membrane is encased in a hard material called peptididoglycan. It helps maintain cell shape throughout the life cycle and shields bacterial cells from environmental stress. The production of peptididoglycans has a significant role in controlling bacterial cell division. A polymeric macromolecule known as peptididoglycan is composed of linear glycan strands joined together by peptide bridges. The sacculus, which surrounds the cell and is made of covalently closed peptididoglycan, is formed when peptididoglycan is polymerized at the exterior of the cytoplasmic membrane.
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Is iron malleable, ductile, or brittle?
Answer: Iron is both malleable and ductile .
Explanation:. (malleable) because it has the ability to be fold into any shape of material.
. and(ductile) because it is able to be deformed without losing toughness.
Please select the word from the list that best fits the definition
Principle that involves an attempt to understand the meanings individuals attach to their actions.
Verstehen is the principle which involves the attempt for the understanding of the meanings individuals attach to their actions.
Principle that involves an attempt to understand the meanings individuals attach to their actions.?This idea is based on the German philosophical notion of Verstehen, which also serves as the foundation of sociology as a field of study of people and their behaviour.
The word itself exhibits the quality of deeply understanding something, which makes the method appropriate for sociologists and turns it into a means of learning about people and the acts that they take.
Weber suggested doing this, when one tries to put themselves in other people's shoes and see things from their perspective. The concept and practise of verstehen is today recognised as being essential to rejecting positivist social science (although Weber appeared to think that the two could be united). Understanding the purpose of an action is referred to as verstehen.
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The idea of comprehending the meanings people give to their acts is known as verstehen.
What is verstehen principle?A philosophy that makes an effort to comprehend the meanings people give to their activities.
This approach is based on the idea of Verstehen from German philosophy, which also serves as the basis for sociology as a discipline that studies people and their behavior.
The approach is excellent for sociologists because the word itself conveys the quality of deeply comprehending something, which transforms it into a way of learning about people and the actions they take.
When one tries to put themselves in other people's shoes and see things from their perspective, Weber advised doing this. Today, the idea of comprehension and its application are recognized as
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Evan was 54 meters away from his car adter shopping. It took 9 seconds to push a shopping card one third of the way directly to his car at a constant velocity. What was his velocity whilehe was pushing the cart ?
The velocity while Evan was pushing the cart is 50.15m/s.
How to calculate velocity?The velocity of a moving body can be calculated using one of the following equations of motion as follows:
s = ut + ½at²
Where;
s = distanceu = velocityt = timea = accelerationAccording to this question, Evan was 54 meters away from his car after shopping. It took 9 seconds to push a shopping card one third of the way directly to his car at a constant velocity. The velocity used is as follows:
54 = (u × 9) - ½ × 9.81 × 9²
54 = 9u - 397.31
54 - 397.31 = 9u
u = 50.15m/s
Therefore, 50.15m/s is the velocity while pushing the cart.
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Evan's velocity while pushing the cart towards his car would be 2 m/s.
Velocity calculationThe velocity of a moving object is the speed of the object in a specific direction. Thus, velocity is the ratio of distance covered relative to time.
Mathematically, velocity = distance/time.
Evans took a total of 9 seconds to cover 1/3 of his distance from his car.
1/3 of 54 = 18 meters.
Thus, Evan covered a distance of 18 meters in 9 seconds. His speed can be calculated as follows:
Distance = 18 meters
Time = 9 seconds
Speed = 18/9
= 2 m/s
In other words, the velocity of Evan while he was pushing the cart is 2 m/s towards his car.
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What example would you use where leaf colour is used to identify different plants?
Answer:
An example of a plant whose leaf colour is used to identify it is the Silver Maple (Acer saccharinum). It is easily recognizable by its silvery-green leaves that have a whitish underside.
Explanation:
Fill in the blank with the best choice. "Continued labor trouble contributes to poor
a. Morale
b. Morel
c. Moral
Answer:
a. Morale
Explanation:
A. Makes the most logical since to me.
This is an example of radioactive isotopes in fossils
Carbon-14 is an example of radioactive isotope in fossils.
What are radioactive isotopes?Radioactive isotopes can be used to date fossils, as well as rocks and other geologic materials. The technique is called radiometric dating, and it involves measuring the levels of isotopes in a sample. Isotopes are variants of a chemical element that have the same number of protons but different numbers of neutrons in the nucleus. Some isotopes, known as radioactive isotopes, have unstable nuclei that emit particles and energy over time in a process called radioactive decay.
Radioactive isotopes such as Potassium-Argon and Uranium-Lead dating can also be used to date fossils and rocks.
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In what ways are "Golden Rice" affect the sustainability of community? Discuss it in terms of all three pillars of sustainability: economic, social, and enviormental.
The Golden Rice will improve the sustainability of the community in the following ways:
economic - it will boost the economy of the community by providing a means of income generationsocial - it will boost the social life of the community it promotes the health and well-being of the community.environmental - it will improve land use and reduce the amount of land that is used for agriculture thereby preserving the natural environment.What is the Golden Rice?Golden rice is a type of rice created by genetic engineering that allows the edible sections of the grain to generate beta-carotene, a precursor of vitamin A. Hence, it helps in the prevention of diseases due to a lack of vitamin A.
It has improved yield and hence, boosts the economic, social, and environmental well-being of the community.
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If a monohybrid cross is done with a homozygous dominant and a homozygous recessive, what will be the genotypes of the F1 and F2 generation?
Let's say trait for Tallness of Pea Plants and a cross between a homozygous dominant and a homozygous recessive.
What will be the genotypes of the F1 and F2 generation?If a monohybrid cross is done with a homozygous dominant and a homozygous recessive, than the genotypes of the F1 and F2 generation
PARENT (P)
GENOTYPES: PHENOTYPES:
Homozygous dominant: TT Tall
Homozygous recessive: tt Short
F1 GENERATION TT x tt
GENOTYPE: PHENOTYPE:
Heterozygous: Tt Tall
F2 GENERATION Tt x Tt
GENOTYPES: PHENOTYPES:
TT Tall
Tt Tall
tt Short
Therefore, Let's say trait for Tallness of Pea Plants and a cross between a homozygous dominant and a homozygous recessive.
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Determine whether the patient has the genetic disorder. Explain your
answer.
Your answer
Answer: Laboratory tests, including genetic testing: Molecular, chromosomal, and biochemical genetic or genomic testing are used to diagnose genetic disorders. Other laboratory tests that measure the levels of certain substances in blood and urine can also help suggest a diagnosis.A diagnosis of a genetic disorder can be made anytime during life, from before birth to old age, depending on when the features of the condition appear and the availability of testing
Explanation:
If the Earth did not spin what would happen?
Select one:
a. The Earth's wind would bend due to gravity.
Ob. The Earth would only have two large convection currents.
Oc. The Earth would have the same temperature throughout.
Od. The Earth would have several difference convection currents at different latitudes.
Answer:
B. The Earth would only have two large convection currents. The power of Earth's spin to turn flowing air is known as the Coriolis Effect. If the Earth didn't spin, there would be just one large convection cell between the equator and the North Pole and one large convection cell between the equator and the South Pole.
Explanation:
At the Equator, the earth's rotational motion is at its fastest, about a thousand miles an hour. If that motion suddenly stopped, the momentum would send things flying eastward. Moving rocks and oceans would trigger earthquakes and tsunamis. The still-moving atmosphere would scour landscapes.
If the planet stopped suddenly, everything on the surface would be destroyed, as the atmosphere, oceans and anything not nailed down kept spinning. Even braking to a halt over a minute would mean everything experienced a sideways deceleration of three-quarters of Earth’s gravity, so ‘down’ would feel like it was at an angle of 38° from the vertical. That’s enough to knock over most buildings.
If it slowed down over several years, it would still be a disaster. Without centrifugal force, the oceans would move towards the poles, dropping ocean depth by 8 km around the equator. Since this is less than the depth of the ocean there, Earth’s water would be divided into two huge polar oceans separated by a belt of land in the middle. Everything north of Spain would be underwater, as well as all of Antarctica.
Once Earth doesn’t spin on its own axis, a day lasts as long as a year. Everywhere receives six months of daylight, gradually heating up the planet to well over 100 °C. The huge central continent would get the hottest, and any remaining lakes and rivers would boil away and be blown to the poles by fierce winds. Even primitive life would only be possible along a narrow strip at the coast.
Hope this helps
Evidence collected from a victim at a crime scene includes the following:
3rd instar of a blowfly
Hair that is black and crescent shaped, with a fragmented medulla
Black soot in the lungs
What inference can be made about the victim using the evidence?
The victim has African ancestry and may have died in a fire four days ago.
The victim has European ancestry and may have died in a fire over a week ago.
The victim has Asian ancestry and was likely killed elsewhere by fire two days before.
The victim has European ancestry, and the body was burned after death four days ago.
'The victim has European ancestry, and the body was burned after death four days ago'.
What do you mean by victim?
Victim is a term used to describe an individual who has suffered harm, injury, or loss due to the actions of another person or entity. Victims can suffer physical, emotional, psychological, and financial harm. Victims may also suffer from secondary victimization, which is when they experience further harm due to the reactions of others to their victimization.
The 3rd instar of a blowfly indicates that the body had been dead for four days. The hair suggests that the victim likely had European ancestry, as crescent shaped black hair is common in people of European descent. The presence of black soot in the lungs indicates that the body was burned after death.
Hence, option D is correct.
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This is an example of a squirrel population
An example of a squirrel population would be a group of Eastern Gray Squirrels (Sciurus carolinensis) living in a city park.
What is an examples of squirrel population?An example of a squirrel population would be a group of Eastern Gray Squirrels (Sciurus carolinensis) living in a city park. Scientists may study the population dynamics and ecology of this group of squirrels by conducting surveys and capturing and marking individual squirrels to track them over time. This can provide information on their survival rates, reproduction, and movements, which can be used to estimate the size and growth rate of the population, as well as identify any factors that may be impacting the population, such as disease, predation, or habitat loss.
Additionally, scientists may also conduct transects, or study the population density, distribution of the squirrels in a specific area and the food resources that are available to them, as well as monitor the environmental factors that might affect the population growth.
Another example could be a population of Fox Squirrels (Sciurus niger) living in a rural forest. Here, researchers may study the impacts of logging and fragmentation on their population dynamics and genetic diversity, and understand how these animals are utilizing different food resources throughout the year.
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what is chromosomes
Answer:
a chrosome is made up of proteins and DNA organized into genes each cell normally contains 23 pairs of chrosomes.
Chromosomes are structures formed by a DNA molecule associated with protein molecules. In prokaryotic cells, we observe a circular chromosome; in eukaryotes, chromosomes are linear and located inside the nucleus.
Answer true or false to the following statements. Use the graphic on the
back to determine the answers.
1. ______ Dogs belong to the order Felidae.
2. ______ A fox belongs to the phylum Arthropoda.
3. ______ Snakes belong to the phylum Reptilia.
4. ______ Lions belong to the class Mammalia.
5. ______ All arthropods belong to the Class Insecta.
6. ______ All rodents belong to the phylum Chordata.
7. ______ All amphibians belong to the class Reptilia.
8. _______ All primates are mammals.
9. _______ The class mammalia includes dogs, cats and rats.
10. ______ A lion belongs to the genus Felis.
11. ______ All mammals are primates.
12. ______ Insects and lobsters are arthropods
Classification is crucial as it allows grouping anything into specific categories.
The taxonomic hierarchy of classification is,
speciesgenusfamilyorderclassphylumkingdomExplanation:
Dogs belong to the order Felidae - FALSE
Dogs belong to the order Carnivora.
A fox belongs to the phylum Arthropoda - FALSEFox belongs to the phylum Chordata
Snakes belong to the phylum Reptilia - FALSESnakes belong to the phylum Chordata and class Reptilia
Lions belong to the class Mammalia - TRUE All arthropods belong to the Class Insecta - FALSEArthropods are invertebrate animals with an exoskeleton, segmented body, and jointed appendages. Although most of the arthropods are insects there are some exceptions like King crabs, Lobster, and Shrimp.
All rodents belong to the phylum Chordata - TRUE All amphibians belong to the class Reptilia - FALSEAmphibians have their class called amphibia and the class reptilia include a different class of organisms called reptiles.
All primates are mammals -TRUEThe class Mammalia includes dogs, cats, and rats -TRUEA lion belongs to the genus Felis - FALSELion belongs to the genus Panthera
All mammals are primates - FALSEA Primate is a placental animal that is characterized by having distinguished hands and feet and a well-developed brain. Examples are Apes and humans.
Whereas a mammal is a warm-blooded vertebrate animal. They include humans, lions, apes, dogs, etc.
Hence all primates are mammals but all mammals are not primates.
Insects and lobsters are arthropods - TRUEhow did tobacco mosaic got its name?
Answer:
It was first described in the late 19th century and got its name because it causes a mottled or mosaic-like pattern of light and dark green on the leaves of infected plants. The disease is caused by a virus that is transmitted through contaminated seed, soil, and tools, as well as by insects that feed on infected plants.
A drawing of a leaf and a dichotomous key are provided.What leaf is shown in the drawing
The leaf shown in the drawing is a Liquidambar, option A.
What dichotomous key depicts a Liquidambar?A Liquidambar is a coniferous North American and Asian tree with maple-like leaves and vibrant autumn colors that produces aromatic resinous balsam. The generic name, Liquidambar, means, literally, "liquid amber" and refers to the pleasant-tasting resin that the tree exudes when you peel away the deeply furrowed bark. Their dichotomous key is a series of steps in which different observable traits are chosen.
A dichotomous key in tree identification might ask whether the tree has leaves or needles. If the tree has leaves, the key directs the user down one set of questions; if it has needles, the key directs the user down a different set of questions.
The complete question is:
A drawing of a leaf and dichotomous key provided. what leaf is shown in the drawing?
A, Liquidambar
B, magnolia
C, pine
D, redbud
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A marine biologist and her team capture 40 sea turtles
Question: A marine biologist and her team capture 40 sea turtles and mark them before releasing them. The following year, they capture 60 sea turtles at the same location. Of the 60 sea turtles, only 15 have the mark from the prior year. What is the estimated population of sea turtles for that location? 7 sea turtles 23 sea turtles 160 sea turtles 240 sea turtles
Answer: C) 160 sea turtles
Pentane with molecular formula C5H12, exists in three isomeric forms. One shows linear carbon chains, another has one -CH3 groups present on the third carbon atom, and the third has two -CH3 groups present on the second carbon atom. What types of isomers are these?
Is it possible for you to find out whether a plant has taproot or fibrous roots by looking at
the impression of its leaf on a sheet of paper? Think and explain the answer.
Answer:
No, it is not possible to determine whether a plant has taproot or fibrous roots by looking at the impression of its leaf on a sheet of paper. This is because the root system of a plant is hidden underground and cannot be seen from the surface. The shape and size of a leaf can provide clues about the type of root system a plant has, but the impression of a leaf on a sheet of paper does not provide enough information to definitively identify the type of root system.
Explanation:
When the protein is completed, write the sequence of amino acids shown, there are 11. (Hint: click the "stop" button to make the model stop jiggling.)
In the sequence of amino acids, a ribosome will read the mRNA about three or more letters at a time, each set is called a codon.
What are amino acids and its sequence?The sequence of a protein is normally notated as a string of letters, according to the sequence of the amino acids from the amino-terminal to the carboxyl-terminal so to a ribosome, it will gaze like this: AAA-CGA-GGC-UAA. That first codon, AAA, tells the ribosome to start structuring the protein with the amino acid lysine.
Amino acid sequences can be written using either the three-letter code or a one-letter code is the order in which amino acid rest, attached by peptide bonds, lies in the chain of peptides and proteins
So we can conclude that The amino acid sequence is encoded in DNA. During protein synthesis.
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state the three laws inheritance by Mendel. explain
Mendel's three rules are the Law of Segregation, the Law of Dominance, and the Law of Independent Assortment.
It implies that meiosis is the process of separating two alleles from one another. Two copies of each chromosome are actually separated from one another during the second stage of meiosis, which is when segregation or separation occurs.
The child will inherit the XX genotype and the dominant phenotype if one parent carries the dominant allele X in two copies and the other parent carries the recessive allele X in two copies. The segregation of the allele pair into two daughter cells during the second stage of meiosis division is Mendel's third rule.
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The three laws of inheritance proposed by Mendel are: the law of segregation, the law of dominance, and the law of independent assortment.
What are Mendel's law of inheritance?The three laws of inheritance proposed by Gregor Mendel are:
The law of dominance: This law states that when an organism inherits two different forms of a gene (alleles) for a trait, one allele will be dominant and will be expressed in the organism's phenotype, while the other allele will be recessive and will not be expressed. For example, if an organism inherits one allele for brown eyes (B) and one allele for blue eyes (b), the brown eye allele is dominant and the organism will have brown eyes.
The law of segregation: This law states that during the formation of sex cells (gametes), the alleles for a trait separate from each other so that each gamete receives only one allele. This means that the offspring will inherit one allele from each parent and will therefore have a combination of alleles for a trait.
The law of independent assortment: This law states that the inheritance of one gene or trait is independent of the inheritance of another gene or trait. In other words, the alleles for different traits are inherited independently of each other and are not linked in any way. This means that the probability of inheriting a specific combination of alleles for different traits is the product of the probabilities of inheriting each allele for each trait.
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