Answer:
D. x2000
Explanation:
magnification = image(drawing size)/actual size
magnification = 40/0.02
magnification = x2000
The magnification of the diagram is x2000. So, the correct option is (D).
What is Magnification?Magnification is the process of magnifying something. It enlarge the apparent size and not the physical size. This type of enlargement is certainly quantifiable. It also refers to the action of visually enlarging an object with the help of lenses.
This concept exist in two forms-
1. By microscope
It makes small objects appear large
2. By telescope
It makes a distant object which appear closer and the images are more clear and defined.
The formula of magnification represents the ratio of the height of the image to the ratio of the height of the object.
Magnification = image/actual size
For given example, magnification = 40/0.02
magnification = x2000
Thus, the magnification of the diagram is x2000. So, the correct option is (D).
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explain the importance of dimensioning in biology
Answer:
Even if you make a drawing to scale, it would be difficult to determine the exact precision that is needed.
It would be time consuming to measure each of the lines to determine measurement.
The basis for modern part dimensioning is the need for interchangeable parts (being able to buy something off the shelf that fits what you already have)
Explanation
When dimensioning, it is good technique to avoid listing the dimension more than once through out the drawing.
If you need to list a dimension more than once, for accuracy or ease of viewing, you must encase the dimension within a set of brackets.
Answer:
The purpose of dimensioning is to provide a clear and complete description of an object. A complete set of dimensions will permit only one interpretation needed to construct the part. Dimensioning should follow these guidelines. Accuracy: correct values must be given.
True or false? Recent genetic evidence indicates that there may be—in the roots of some plants—a response stimulated by the concentration of water in the soil.
Group of answer choices
False
True
I think it will be false only as I have readed in my sister book FALSE
Answer:
I think the answer is false.
Explanation:
I hope this helps
ILL GIVE BRAINLIST PLS HELP
Answer:
1.In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection. The theory of evolution is based on the idea that all species? are related and gradually change over time.
2.Survival of the fittest is a simple way of describing how evolution (the process by which gradual genetic change occurs over time to a group of living things) works. It describes the mechanism of natural selection by explaining how the best-adapted individuals are better suited to their environment.
How does the experiment relate to what you've learned about submersible technology suck as submarines and ROV's?
Answer:
A submersible technology designed to operate the submarines underwater.
Explanation:
We have learned about submersible technology suck as submarines and ROV's is that pumping system is used to remove water from the submarines and ROV's in order to make it lighter. A submersible is designed to push water to the surface. When a pressure switch is turned on, the impeller started to spin drawing water into the pump. The water is then pushed through the pump and brought it to the surface. Due to removal of water, the submarines and ROV's become lighter and they will come to the surface of water.
Which process is responsible for causing menstruation
Explanation:
the process in a woman of discharging (through the vagina) blood and other materials from the lining of the uterus at about one monthly interval from puberty until menopause (ceasing of regular menstrual cycles).
refer the picture for question please
Lipids and carbohydrates have many functions in the body of an organism. Specific lipids and proteins
perform specific tasks. Read the descriptions below to answer the following question: How are
triglycerides and glycogen similar in their primary function?
A. Both act as catalysts.
B. Both store genetic information for the organism.
C. Both support the structure of the organism.
D. Both store energy used by the organism.
Answer:
D. Both store energy used by the organism.
Explanation:
THREE USES THAT CELLS MAKE OF THE ENERGY RELEASED BY ATP
Answer:
ATP provides the energy needed for many essential processes in organisms and cells. These include intracellular signaling, DNA and RNA synthesis, Purinergic signaling, synaptic signaling, active transport, and muscle contraction.
Explanation:
In interstitial growth of cartilage ______. Multiple choice question. only new cells are produced only new matrix is produced news cells and new matrix are produced
Answer:
The correct answer is ''news cells and new matrix are produced''
Explanation:
Interstitial growth consists of the production of new layers of cartilage in the inner layer of the perichondrium. This process occurs because chondrocytes meet in the form of small groups, called isogens or cell nests, they are capable of dividing and the cartilaginous matrix is distensible. Daughter cells initially occupy the same gap but as they secrete new intercellular matrix they separate. These daughter cells can divide again, forming so-called isogenic groups, which are frequently found in growing cartilage.
what are chloro-fluoro carbons ??
explain !!!
Answer:
Chlorofluorocarbons are fully or partly halogenated paraffin hydrocarbons that contain only carbon, hydrogen, chlorine, and fluorine, produced as volatile derivative of methane, ethane, and propane.
Explanation:
think about what you know about plant roots. how do plants absorb mineral salt from the soil?
Answer:
Plants absorb water from the soil by osmosis and they absorb mineral ions from the soil by active transport, against the concentration gradient.
label the eye, thank you
Answer:
L = lens
M = Retina
Explanation:
Hope it is helpful....
Plz help I’ll give you brainliest!!
The California Current is a surface current that carries
water south from polar regions.
Callfornia Current
Which statement best describes how this current affects the climate on
nearby land?
A. It warms the eastern coast of the United States
B. It cools the eastern coast of the United States.
C. It warms the western coast of the United States.
D. It cools the western coast of the United States
Answer:
D
Explanation:
It's located on the west coast and it's carrying water from the cooler polar regions. It cools the western coast of the US.
What happens when many water molecules come into contact with one another? Explain.
Answer:
When the oxygen atoms of different water molecules come together, they repel. When the hydrogen atoms of different water molecules come together, they repel.
Hope this helps
Identify the following by typing (a) for mitosis or (b) for meiosis on the line before the statements: _____ produces 4 unique gametes _____ begins with a somatic cell _____ produces only 2 identical cells _____ has only one nuclear division _____ happens in the testes and ovaries _____ daughter cells are haploid _____ has two nuclear divisions _____ daughter cells are diploid
Answer:
b - produces 4 unique gametes
a - begins with a somatic cell
a - produces only 2 identical cells
a - has only one nuclear division
b - happens in the testes and ovaries
b - daughter cells are haploid
b - has two nuclear divisions
a - daughter cells are diploid
Explanation:
Mitosis is a kind of cell division that involves the formation of two daughter cells, which are genetically identical and have the same number of chromosomes as their parent cell (diploid). Mitosis occurs in body or somatic cells for repair and multiplication. Mitosis involves only one nuclear division.
Meiosis, on the contrary, involves formation of four daughter cells that are genetically different from the parent cell and have a reduced chromosomal number (by half). Meiosis occurs in reproductive cells like tested or ovaries. Meiosis occurs in two nuclear divisions.
Which chloroplast structure increases the amount of surface area that is available for photosynthesis
Answer:
Thylakoid
Explanation:
A thylakoid is a sheet-like membrane-bound structure that is the site of the light-dependent photosynthesis
How many taxa or levels exist in the phylogentic?
a)7
b)4
c)6
d) 8
A desert region would be most likely to experience what type of weathering?
A. Exfoliation
B. Biological
C. Sedimentary
D. Freeze-thaw
Answer:
C, Sedimentary
Explanation:
Sedimentary weathering is rocks that are the product of the erosion of existing rocks, most commonly occurring in a desert region due to the hot, dry weather, along with the many obvious rocks there.
which organsism transform nitrogen to a form this useful to plants? a. bacteria b.animals c.fungi d.humans
Answer:
a. bacteria
Explanation:
There are nitrogen-fixing bacteria whose sole purpose is to transform nitrogen into a form which can be used by our friends called the plants.
Answer:
A. Bacteria
Explanation:
Nitrogen-fixing bacteria are capable of transforming it into fixed-nitrogen particles, that are usable by plants
Which substance is not excreted by the body
Answer:
Saliva
Explanation:
What was Anton van Leeuwenhoek contribution in the development of cell theory
Answer:
animalcules
Explanation:
that is it i think
True or false: Osseous connective tissue is the only tissue type found in bones. True false question. True False
Answer:
False
Explanation:
A founding population usually has lower genetic diversity than the original population it came from. For those alleles that are shared by the two populations, how are allele frequencies different (or similar)
Answer:
In the founding population, the allele frequency is different from the original bigger-sized population. The size of the new population affects this difference even more. Some of the alleles will tend to increase, while some others will tend to decrease in frequency.
Explanation:
Genetic drift is an evolutive force. It is the random change that occurs in the allelic frequency of a population through generations. Its effects are harder in a small-sized population, meaning that the magnitude of this change is inversely related to the size of the original population.
Genetic drift results in some alleles loss -including the beneficial ones-, while some other alleles get fixated. Low-frequency alleles are the most likely to be lost. The changes produced by genetic drift accumulate in time and results in a loss of genetic variability within a population.
Genetic drift affects a population and reduces its size dramatically due to a disaster or pressure -bottleneck effect- or because of a population split -founder effect-. The bottleneck effect most likely affects smaller populations.
Founder effect refers to the origin of a new population from only a few individuals that are coming from a bigger-sized population. These founder individuals, which are carrying some of the genes of the original population, settle down in a new area and reproduce. The new and small population might or might not be genetically representative of the original one. Some rare alleles might be exceeded or might be lost by complete. Consequently, when the small population increases in size, it will have a genetically different composition from the original one. In these situations, genetic variability is reduced, and there exists the possibility of developing a peculiar allelic composition. When the number of individuals that originated the new population is low, the founder effect will be very extreme because the genetic drift effects are inversely proportional to the original number of individuals.
If constructive interference occurs when two waves are cresting, it will decrease the height of the crest.
True
False
Answer:
True is the answer for your question. Mark me as the brainliest first please.
Explanation:
Answer:
False
Explanation:
I said true because of the other person and it was wrong. Trust me it’s False
Explain the evolution of altruism.
Answer:
Altruistic behavior, such as sterile worker ants caring for the offspring of their queen, evolves only between related individuals through what is known as kin selection — or so many evolutionary biologists have thought since the 1960s.
Which food contains mostly polsaccharides
Answer:
food with carbohydrates
Explanation:
they comprises of two or more mono saccharides
The cells in this part of a plant form long, vertical tubes. What is the most
likely relationship between the structure and function of these specialized
cells?
O A. The tubes allow water and nutrients to be transported throughout
the plant.
O B. The tubes prevent potential damage to the leaves caused
used by
strong winds.
C. The tubes allow the plant to absorb sunlight for photosynthesis.
O D. The tubes prevent water loss from the leaves.
Answer:
A. The tubes allow water and nutrients to be transported throughout
the plant.
Identify and describe how bacteria, hormones, and nerves influence the health and activities of the GI tract
Answer:
The GI health is supported by a varied and rich population of bacteria. The GI processes are controlled by the coordinated efforts of the hormonal system and the neurological system. Digestion and absorption together break up diets into bodily nutrients. A healthy GI system requires a balanced diet, sufficient relaxation, and frequent physical activity, to perform best.
Explanation:
Bacteria along the GI tract have a wide range of possible health benefits, including the production of vitamins, ion absorption (Ca, Mg, and Fe), pathogens protection, histologic development, improved immune systems, and fermentation of "no-digestible food" Bacteria have a number of potential functions.
During the digestion and absorption process hormones control the different digestive enzymes, which are secreted in the stomach and bowel. In reaction to the consumption of food, for example, the hormone gastrin induces stomach acid output. The somatostatin hormone prevents stomach acid secretion.
which of the following structures helps our sense of balance
Answer:
D answer is correct
Explanation:
semi circular helps our sense of balance
Answer:
eardrum
Explanation:
The ear is a sensory organ that picks up sound waves, allowing us to hear. It is also essential to our sense of balance: the organ of balance (the vestibular system) is found inside the inner ear. It is made up of three semicircular canals and two otolith organs, known as the utricle and the saccule
During pulmonary ventilation, relaxation of the diaphragm and external intercostals ________ and air flows out of the lungs. increases the pressure in the thoracic cavity flattens the floor of the thoracic cavity increases the volume of the thoracic cavity expands the rib cage stimulates the phrenic nerve
Answer:
Increases the pressure in the thoracic cavity
Explanation:
During pulmonary ventilation, relaxation of the diaphragm and external intercostals increases the pressure in the thoracic cavity and air flows out of the lungs.
Pulmonary ventilation involves the exchange of air in the body. The exchange mainly takes place between the lungs and the the blood. When the lungs take in oxygen it distributes it to other parts of the body after which the byproduct is expelled in the form of Carbon dioxide.
The diaphragm and intercostal muscles are found close to the chest(thoracic) region such that when air is expelled it produces a similar effect such as relaxation of the diaphragm which also makes the chest muscles go down and exert pressure. This mechanism aids the expulsion of Carbon dioxide from the lungs.