t cells inhibit multiplication and cytokine secretion by other t cells, and thus limit immune responses.
Answers
False. T cells do not inhibit multiplication and cytokine secretion by other T cells to limit immune responses.
Instead, they play a crucial role in coordinating and regulating immune responses to eliminate pathogens while avoiding damage to healthy tissues. T cells are a type of white blood cell that plays a crucial role in the immune system. There are different types of T cells, including helper T cells, cytotoxic T cells, and regulatory T cells. Helper T cells are responsible for activating and directing other immune cells to attack pathogens, while cytotoxic T cells directly kill infected cells. Regulatory T cells, on the other hand, play a crucial role in preventing the immune system from attacking normal body cells.
Regulatory T cells, also known as Tregs, do not inhibit the multiplication and cytokine secretion by other T cells. Instead, they suppress the activity of other immune cells, including T cells and B cells, to prevent overactive immune responses that could lead to autoimmune disorders. Tregs do this by secreting anti-inflammatory cytokines and by direct contact with other immune cells.
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(complete question)
T cells inhibit multiplication and cytokine secretion by other T cells and thus limit immune responses.
True or false
Related Questions
At the end of Chapter 5, Berck and Helfand find compensating variation (CV) and equivalent variation (EV) for wolves in Yellowstone Park - a publicly provided good. Assume wolves are a good to the individual whose preferences we are modeling, i.e., the individual wants more wolves in the wild, all else equal. Suppose there exists 5 wolves in Yellowstone Park, and the average individual has income of \$y. The individual's consumption bundle is A, and the initial indifference curve is I0. Suppose an environmental group provides funds for habitat, and it's expected this habitat will result in 5 more wolves in Yellowstone. Assume the individual's income stays the same. The new consumption bundle is B, and the new indifference curve is I'. Complete the following tasks all on one graph. A. Using our properties of indifference curves (i.e., make them crescent shaped), plot the initial bundle (A) and label with appropriate income and wolf count. Draw the initial indifference curve (I
0
). Be sure to label the graph completely. (Hint: Easiest to place a composite good on the vertical axis, wolf count on the horizontal axis) ( 2 pts) B. Draw the new indifference curve and identify the new consumption bundle (B) while labeling with the appropriate wolf count. ( 2 pts) C. Identify the theoretical consumption bundle (call it C ), that uses the original wolf count but lies on the new indifference curve I'. (2 pts) D. Label the area on the on the vertical axis that corresponds to the EV and CV of these changes. Then in the margins, define CV and EV as it relates to this specific problem
Answers
The initial bundle (A) is represented by the consumption combination (A, I0) with an income of y. Consumer surplus and compensating variation are both concepts in microeconomics that relate to the study of consumer behavior.
The initial indifference curve (I0) is a curved line that slopes upward to the right, indicating that as the individual consumes more of the good, their preference for that good increases, but their preference for the other good remains constant.
The new indifference curve (I') is a curved line that slopes upward to the right, indicating that as the individual consumes more of the good, their preference for that good increases, but their preference for the other good remains constant.
The new indifference curve (I') is plotted on the any type of graph as a curved line starting from the origin, with the vertical axis representing wolf count and the horizontal axis representing income.
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Correct Question:
At the end of Chapter 5, Berck and Helfand find compensating variation (CV) and equivalent variation (EV) for wolves in Yellowstone Park - a publicly provided good. Assume wolves are a good to the individual whose preferences we are modeling, i.e., the individual wants more wolves in the wild, all else equal. Suppose there exists 5 wolves in Yellowstone Park, and the average individual has income of y. The individual's consumption bundle is A, and the initial indifference curve is I0. What is the difference between consumer surplus and compensating variation?
Help pleasee. It’s about protein synthesis.
Answers
Answer: GCU AAU GUC
Ala Asn Val
Explanation:
We have a messenger RNA sequence, and the problem is asking for the complementary amino acids for each of the three letters in the sequence.
I used the chart on the right.
GCU
Take the first letter G and then move right on the chart to find C as the second letter. Look for the third letter last where they are listed on the right side.
GCU = Ala
You will follow the same process by finding the first letter, second letter and the third letter, and then see what the amino acid for that particular three-letter sequence.
GCU = Ala
AAU = Asn
GUC = Val
GCU AAU GUC
Ala Asn Val
the outmost layer of cells
Answers
This is called the Epidermis mostly known as the skin layer.
Answer:
Epidermis
Explanation:
Why did plantation slavery replace indentured servitude as the major economic anchor of the atlantic system?
Answers
Plantation slavery replaced indentured servitude as the major economic anchor of the Atlantic system for several reasons. One key factor was the labor needs of the growing plantation economies in the Americas, particularly in the Caribbean and southern colonies. Indentured servitude, where individuals worked for a set period in exchange for passage to the New World, became less viable as a labor source due to declining numbers of willing participants and increasing wages.
In contrast, plantation slavery provided a consistent and long-term labor force. Enslaved Africans were captured and forcibly transported to the Americas, where they were subjected to harsh conditions and forced labor on plantations. The Atlantic slave trade provided a constant supply of enslaved laborers, allowing plantation economies to flourish.
Additionally, the profitability of plantation crops such as sugar, tobacco, and cotton played a significant role in the shift towards slavery. These crops required large-scale production and intensive labor, which could be efficiently provided by enslaved Africans. The availability of cheap labor through slavery enabled plantation owners to maximize their profits and expand their operations.
Furthermore, the legal and social systems in the Americas supported the institution of slavery. Laws and regulations were developed to maintain the control and exploitation of enslaved individuals, reinforcing the economic dominance of slavery. Slavery became deeply ingrained in the social fabric of the plantation colonies, with racial ideologies and discriminatory practices further entrenching its role in the Atlantic system.
Overall, the combination of labor demands, profitability of plantation crops, legal support, and social acceptance contributed to the replacement of indentured servitude with plantation slavery as the major economic anchor of the Atlantic system.
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What should the reader study to make inferences about the personality traits of people in a text? Check all that apply.
Answers
Answer: Action thoughts words
what is shunting the blood so that it may be filtered known as?
Answers
Answer: Dialysis
Explanation: Dialysis involves either shunting the patient's blood through a special machine (haemodialysis) that helps remove the wastes while preserving water and salts, or removing wastes through fluid introduced into the abdomen (peritoneal dialysis).
Shunting the blood so that it may be filtered is known as Hemodialysis. It is a long answer. Hemodialysis is a process of removing waste and extra fluid from the blood.
Blood is filtered outside the body using a machine called a dialyzer, also known as an artificial kidney.The process of shunting blood for it to be filtered during hemodialysis is done through a vascular access, which is created by a minor surgery that connects an artery and vein, usually in the arm. The blood is pumped from the patient's bloodstream into the dialyzer, which filters the blood, and the filtered blood is returned to the patient's bloodstream.
Hemodialysis is used when the kidneys are unable to filter the blood on their own due to kidney failure. This may be caused by various factors, including diabetes, high blood pressure, glomerulonephritis, and other kidney diseases. Hemodialysis is usually done three times a week for three to five hours per session.
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how does dissolved oxygen levels in the water effects kelp?
Answers
Answer:
As the temperature of the water goes up, the amount and spatial extent of the kelp goes down. These changes could result in dramatic habitat loss leading to reduced ecosystem productivity and the extinction of many invertebrate species.
Explanation:
Hope it helps :3
During the 1950s, a scientist named Lysenko tried to solve the food shortages in the Soviet Union by breeding wheat that could grow in Siberia. He theorized that if individual wheat plants were exposed to cold, they would develop additional cold tolerance and pass it to their offspring. Based on the ideas of artificial and natural selection, do you think this project worked as planned
Answers
Answer:
No
Explanation:
Trofim Lysenko was a Biologist in the then Soviet Union, who did not believe in the fundamental laws of science. Selective breeding is the method developed by humans to change certain characteristics of species to desired outcomes. This is based on the fact that living things have inheritable traits encoded in genes that can be passed from one generation to another.
Lysenko did not believe in this fact. He rather believed that when exposed to the right environment, plants and animals soon become adjusted to the exposure and can then develop traits that would be passed on to their offsprings. He applied this theory of his when he exposed wheat plants to cold believing that they would develop tolerance to cold. This failed woefully and resulted in severe starvation that caused the death of millions of people in the Soviet Union.
therapeutic cloning can multiple choice produce embryonic stem cells. produce clones of adult individuals. produce specialized cells to treat human disease. be used to produce superior farm animals. be used to create new species of plants.
Answers
Therapeutic cloning can produce specialized cells to treat human disease.
The transfer of nuclear material isolated from a somatic cell into an enucleated oocyte with the goal of producing embryonic cell lines with the same genome as the nuclear donor is known as therapeutic cloning.
Dolly the sheep is probably the best-known example. An embryo is created in a similar manner in therapeutic cloning, but the resulting "cloned" cells are kept in a dish in the lab rather than implanted into a female's uterus.
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copying genetic information from dna to rna is called ----using the infrmation contained in mrna is called -----a- trans cription, translation, b- translation, transcripition, c-dna replication, translation
Answers
Copying genetic information from DNA to RNA is called transcription.
Using the information contained in mRNA is called translation.
Therefore, the correct answer is:
a) Transcription (for copying genetic information from DNA to RNA)
b) Translation (for using the information contained in mRNA)
Copying inheritable information from DNA to RNA is a pivotal step in gene expression and is known as recap. Recap involves the conflation of a reciprocal RNA patch using one beachfront of the DNA as a template. The process of recap is carried out by an enzyme called RNA polymerase, which recognizes specific regions on the DNA called promoters and initiates the conflation of RNA.
During recap, the DNA double helix unwinds, and the RNA polymerase binds to the protagonist region. The enzyme also moves along the DNA template beachfront, adding reciprocal RNA nucleotides to the growing RNA chain. Adenine( A) dyads with uracil( U) in RNA, cytosine( C) dyads with guanine( G), and thymine( T) dyads with adenine( A) in DNA. This process continues until the RNA polymerase reaches a termination sequence, motioning the end of recap.
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Write down the hormones secreted by Gonads with one function of each
Answers
Answer:
The gonads (the testes in males and ovaries in females) are responsible for the production of steroid hormones, such as testosterone, estrogen, and progesterone.
Explanation:
The hormones secreted by the Gonads are estrogen and progesterone in females, while testosterone, androstenedione, and inhibin in males.
What are Gonads?Gonads may be defined as the male and female reproductive organs. It includes testes in males and ovaries in females. These organs are essential for the reproduction process.
The function of each gonadal hormone is as follows:
Estrogen: It is responsible for the maturation and growth of the vagina and uterus.Progesterone: It is responsible for regulating the alterations in the uterus at the time of the menstrual cycle. Testosterone: It is responsible for the growth of bones, muscles, body hairs, etc. Inhibin: It is responsible for the regulation and development of sperm cells. Androstenedione: It is responsible for monitoring the level of estrogen and testosterone in the body of a human.Therefore, it is well described above.
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What happened to the green site of the protein in the mutated CFTR protein
Answers
Loss of Function, Structural Changes and Altered Interactions will happen to the green site of the protein in the mutated CFTR protein
In the mutated CFTR (Cystic Fibrosis Transmembrane Conductance Regulator) protein, there can be various changes or alterations that can affect the green site or active site of the protein. Without specific information about the specific mutation or the green site in question, it is challenging to provide a specific answer. However, I can explain some general possibilities:
Loss of Function: Some mutations in the CFTR gene can lead to a loss or reduction in the functional activity of the CFTR protein. This can result in a malfunctioning or non-functional green site, leading to a disruption in its normal biological function.
Structural Changes: Mutations can cause structural changes in the CFTR protein, including alterations in the green site. These changes can affect the binding ability, enzymatic activity, or substrate specificity of the protein, impacting its normal function.
Altered Interactions: Mutations can affect the interactions between the CFTR protein and other molecules or partners involved in its activity. This can lead to changes in the binding affinity or efficiency of the green site, impairing its ability to interact with its specific target.
It is important to note that the specific consequences of a mutation in the CFTR protein, including its impact on the green site, can vary depending on the type and location of the mutation. Further information about the specific mutation would be needed to provide more detailed insights into the effect on the green site of the CFTR protein.
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Which of the following would you expect to find in a primitive community?
a. deer
b. trees
c. shrubs
d. algae
Answers
Answer:
D. algae
Explanation:
In a primitive type of community, algae is most likely to be found than deer, trees, and shrubs. In anthropology, primitive culture is referring to a society or a community to lack cultural, technological, or economic sophistication
37) Reactions involving isomerases are
A) anabolic.
B) catabolic.
C) both anabolic and catabolic.
D) neither anabolic nor catabolic.
E) exergonic.
Answers
Isomerases are enzymes that catalyze the conversion of one isomer to another. Isomers are molecules that have the same molecular formula but different structural arrangements. Therefore, isomerases play a vital role in various biochemical pathways.
Now, coming to the question, whether reactions involving isomerases are anabolic, catabolic, or both, it depends on the specific pathway and the substrate involved. Anabolic reactions involve the synthesis of complex molecules from simpler ones, while catabolic reactions involve the breakdown of complex molecules into simpler ones. Isomerases can participate in both anabolic and catabolic pathways. For instance, isomerases play a crucial role in glycolysis, a catabolic pathway, where they catalyze the conversion of glucose-6-phosphate to fructose-6-phosphate. Similarly, isomerases are involved in the anabolic pathway of nucleotide synthesis, where they convert ribose-5-phosphate to ribulose-5-phosphate. Therefore, the correct answer to the question is option C, "both anabolic and catabolic." Isomerases can participate in both types of reactions depending on the pathway and substrate. In summary, isomerases are essential enzymes that catalyze the conversion of one isomer to another, and they can participate in both anabolic and catabolic pathways, depending on the specific pathway and substrate involved.
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I’ll give the Brainliest to who answers these question with a reasonable explanation.
1. Why is it important for Earth’s magnetic field that the inner core is hotter than the outer core?
A. The inner core provides the heat source for outer core convection.
B. The inner core provides the energy for Earth’s orbit around the Sun.
C. The inner core’s heat produces the Coriolis effect needed for rotation.
D. The inner core’s heat allows the outer core to conduct electricity.
————————————————————————————————————————————————————————
2. What does the Earth’s magnetic field reveal about the structure of the Earth’s layers?
A. That the mantle is solid.
B. That the outer core is solid.
C. That the outer core is liquid.
D. That the mantle is liquid.
Answers
Answer:
1.) The inner core's intense pressure—the entire rest of the planet and its atmosphere—prevents the iron from melting. The pressure and density are simply too great for the iron atoms to move into a liquid state.
2.)The Earth's magnetic field serves to deflect most of the solar wind, whose charged particles would otherwise strip away the ozone layer that protects the Earth from harmful ultraviolet radiation. One stripping mechanism is for gas to be caught in bubbles of magnetic field, which are ripped off by solar winds.
Explanation:
Answer:
1. A. The inner core provides the heat source for outer core convection.
The inner core is hotter than the outer core allows for the bottom of the outer core to be heated. As this happens, it expands and rises up to the top of the layer. As it rises, it cools and sinks back down to the bottom, just to be warmed again. This is convection and is one of the requirements for a magnetic field.
2. That the outer core is liquid.
The Earth’s magnetic field shows that the outer core must be liquid. The magnetic field comes from the Earth’s core, and in order for a magnetic field to be achieved, there must be a fluid material for things such as convection.
The S-P interval of seismic waves recorded at a seismometer is 8 minutes. The equation for determining this distance to the
epicenter is
S-P interval=0.001613 x distance to epicenter
Approximately how far away is the earthquake's epicenter from the seismometer?
less than 1 km
8.km
O 500 km
5,000 km
Answers
According to the equation of the seismic waves, the earthquake's epicenter from the seismometer is approximately 5000km.
What is a seismic wave?A seismic wave can be described as a vibration generated by an earthquake, explosion, or similar energetic source and propagated within the Earth or along its surface.
From the question, we have that
S-P interval = 0.001613 x distance
therefore distance = s-p interval/0.001613
8/0.001613 = distance to epicenter
distance to epicenter =8÷0.001613
=4959.702
approximately 5000km.
Seismographs are devices that record the amplitude and frequency of seismic waves and yield information about the Earth and its subsurface structure.
There are several different kinds of seismic waves, and they all move in different ways.
The two main types of seismic waves are body waves and surface waves. Body waves can travel through the Earth's inner layers, but surface waves can only move along the surface of the planet like ripples on water. Earthquakes send out seismic energy as both body and surface waves.
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can someone help me with this? I've been on online instruction for a really long time
Answers
Yes, I can help you with this a food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.
Every food chain begins with a producer. The food chain shown below uses arrows to show the transfer of energy and nutrients, which is always from the consumed to the eater.
An ecosystem's only conduit for the flow of matter and energy is represented by a food chain. An essential conceptual tool for depicting the feeding connections among species within a group is the food web.
All the interconnected and overlapping food systems in an ecosystem are combined to form a food web. The linkages or interconnections between objects are described by food webs. Energy is transferred between the species in food webs from producers to consumers. Energy is used by organisms to carry out demanding tasks.
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how do the 4 spheres interact with each other
Answers
Answer: ENERGY AND MATTER MOVE between the land, water, atmosphere, and biosphere — between the four spheres. In addition to natural interactions, human activities, such as the clearing of rain forests, can affect interactions between the spheres.
Explanation:
Mendel's experiments demonstrated the law of dominance: traits are inherited as dominant and recessive alleles, and the dominant allele for a trait can mask the presence of the recessive allele. Occasionally, that law is contradicted: offspring exhibit a blend of their parents' traits. For example a red flowering plant when crossed with a white flowering plant would produce a plant with pink flowers. This type of inheritance pattern is called A) codominance. B) multiple alleles. C) incomplete dominance. Eliminate D) heterozygous dominance.
Answers
Answer:
Incomplete dominance
Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
Please help
How does the second line of defense in the immune system fight staphylococcus
I WILL MARK BRIANLIST JUST HELPPPPP
Answers
Answer:
THROUGH T CELL ACTIVATION AND B CELL PRODUCTION OF ANTIBODIES
MARK AS BRAINLIEST
Cells differ in shape and size. Why?
Answers
Answer: Cells have different shapes because they do different things. Each cell type has its own role to play in helping our bodies to work properly. Their shapes help them carry out these roles effectively.
I hope this helped!
1. Which of the following is a characteristic of a cartilaginous fish?
1 : dermal denticles
2 : external fertilization
3 :bilaterally flattened
Answers
According to the research, the correct option is 3. Bilaterally flattened is a characteristic of a cartilaginous fish.
What is a cartilaginous fish?They are a class of fish characterized by having dermal scales and with widened paired fins whose skeleton is made up of cartilage.
They have a hydrodynamic shape being bilaterally flattened, that is, they are flattened in the dorso-ventral axis, which allows them to do the constant movements necessary to propel those fish through the water and avoid sinking in the water.
Therefore, we can conclude that the correct option is 3. Bilaterally flattened is a characteristic of a cartilaginous fish.
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Agriculture activities are precursors for environmental degradation without human and nation benefit discuss
Answers
Answer:
Yes.
Explanation:
Yes, Agriculture activities are precursors for environmental degradation without human and nation benefit because these activities are responsible for the soil degradation. If we skip the human and nation benefit from these agricultural activities, there is disadvantage of these activities which destruction of soil. The tillage practices loosen the soil that leads to the erosion of soil through wind.
Select the statements that reflect our new understandings from the Human Microbiome Project Check All That Apply a. Viruses are part of a normal microbiome in humans b. Only bacteria inhabit the human body in the healthy state c. Even healthy people can carry pathogenic species as part of their microbiome d. Microbes have been discovered in tissues that we once believed were sterile e. The composition of the microbiome may have an impact on non-infectious diseases, such as heart disease, cancer, asthma and even obesity f. Formula has a superior set of microbes to add to the microbiome of a newborn
Answers
The statements that reflect our new understandings from the Human Microbiome Project are: a. Viruses are part of a normal microbiome in humans
c. Even healthy people can carry pathogenic species as part of their microbiome
d. Microbes have been discovered in tissues that we once believed were sterile
e. The composition of the microbiome may have an impact on non-infectious diseases, such as heart disease, cancer, asthma and even obesity
f. Formula has a superior set of microbes to add to the microbiome of a newborn is not a statement that reflects our new understandings from the Human Microbiome Project.
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The statements that reflect our new understandings from the Human Microbiome Project are: a. Viruses are part of a normal microbiome in humans c. Even healthy people can carry pathogenic species as part of their microbiome d. Microbes have been discovered in tissues that we once believed were sterile e. The composition of the microbiome may have an impact on non-infectious diseases, such as heart disease, cancer, asthma and even obesity. Therefore the correct option are option A, C, D , E.
Viruses are a normal component of the human microbiome, according to the Human Microbiome Project. Viruses were previously linked with disease and infection.
The Human Microbiome Project has discovered that even healthy individuals can carry pathogenic species in their microbiome.
Microbes have been found in previously thought-to-be sterile tissues, according to the Human Microbiome Project. Therefore the correct option are option A, C, D , E.
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Which of the following is a compressional/longitudinal wave?
А
water
B
fans doing the "wave" in a football stadium
С
light
D
sound
Answers
Answer:
D. Sound
Explanation:
Both А. water and B. fans doing the "wave" in a football stadium are both literal waves and are not examples of a compressional/longitudinal
Answer:
the answer is sound
Explanation:
a sound wave in longitudinal
Which describes the net free water movement between the blood vessel and matrix?
a) Into vessel
b) In equilibrium
c) Out of vessel
Answers
Answer:
Out of vessel
Explanation:
the little video/diagram shows the vessles moving from inside to outside
What is the number of bacteria that you will have in the egg salad you forgot to refrigerate overnight (Ni=1, generation time for the bacteria = 30 minutes, overnight = 8 hours)
a. 480 b. 65, 536 c. 131,072 d. 240,000 e. 480,000
Answers
The estimated number of bacteria in the egg salad that was left out overnight is 131,072. Option c is correct.
Initial number of bacteria (Ni) = 1
Generation time (g) = 30 minutes = 0.5 hours
Time overnight (t) = 8 hours
First, we need to calculate the number of generations that occur during the 8-hour period:
Number of generations (n) = (time elapsed)/(generation time) = 8/0.5 = 16
Next, we can use the formula Nt = Ni x 2^n to calculate the number of bacteria present after 16 generations:
Nt = 1 x 2^16 = 1 x 65,536 = 131,072
Option c is correct.
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A land breeze occurs during the ________ because the air above the land is a _________ pressure
Answers
Have a good day
The tract of the posterior funiculus that conducts impulses from sensory neurons in the upper limbs, superior trunk, neck, and posterior of the head is the ______.
Answers
The tract of the posterior funiculars that conducts impulses from sensory neurons in the upper limbs, superior trunk, neck, and posterior of the head is the Fasciculus Conatus.
What is the posterior funiculus?The posterior funiculars is the largest of the three main divisions of white matter in the spinal cord, located between the posterior gray horns. The ascending (sensory) pathways transmit signals through the posterior funiculars to the brain.
There are two tracts in the posterior funiculars: the fasciculus gracilis and the fasciculus conatus. The tract of the posterior funiculars that conducts impulses from sensory neurons in the upper limbs, superior trunk, neck, and posterior of the head is the fasciculus cuneatus.Therefore, Fasciculus Conatus is the correct answer to this question.
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which process uses carbondioxide present in the air
a.burning of fossil fuels
b.production of glucose
c.asimillation in animals
d.breakdown of organic matter
Answers
Answer:
a.burning of fossil fuels
Answer:
b.production of glucose