True or False: Growing crops raises the carbon levels and causes global warming.
Answers
Answer:
For rainfed wheat grown in more arid climates, such as southern Africa and India, results show that doubled carbon dioxide levels, and their associated climate change impacts, increase yield by 8 percent, an increase that's driven by improved crop water productivity of up to 50 percent. true
Explanation: do you want one?
Growing crops does not raise the carbon levels and does not cause global warming ; ( i.e. the statement in the question is False ).
Crops/plant make use of carbon dioxide in the atmosphere during photosynthesis, releasing oxygen and energy into the atmosphere as a by product from photosynthesis.
Global warming is caused by the presence of green house gases in the atmosphere and the removal of CO₂ by plants from the atmosphere during photosynthesis helps with reduction of a green house gas ( CO₂ ).
Hence we can conclude that Growing crops does not raise the carbon levels and does not cause global warming .
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Related Questions
The occurrence of transitional fossils supports the idea that (select all that apply)Group of answer choices extinct and living forms are related.these are ancestors of living species.change occurs in species over time.
Answers
The occurrence of transitional fossils supports the idea that - extinct and living forms are related, these are ancestors of living species, change occurs in species over time.
A transitional fossil is that fossilized remains of a life form which exhibits traits common to both an ancestral group and its derived descendant group which is living at present. The descendant group is sharply differentiated by gross anatomy and mode of living from the ancestral group.
These fossils show that taxonomic divisions are human made that have been superimposed on the continuum of variation. Because of the incompleteness and unavailability of the fossil record, there is usually no way to know exactly how close a transitional fossil is to the point of divergence if evolution of that particular species. Therefore, it cannot be assumed that transitional fossils are direct ancestors of more recent groups, though they are frequently used as models for such ancestors.
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What is a possible effect of leakage of inner ear fluid?
Answers
Answer: Body imbalance such as affect balance and hearing.
Explanation:
What is the advantage of cells being so small?
A. Small cells contain a greater quantity of enzymes than large cells.
B. Small cells do not require energy and get everything they need from osmosis.
C. The cell has a smaller surface area to volume ratio which means it can move nutrients into
the cell and waste out more efficiently.
D. The cell then has a larger surface area to volume ratio which means it can move nutrients
into the cell and waste out more efficiently.
Answers
Answer:
D. The cell then has a larger surface area to volume ratio which means it can move nutrients into the cell and waste out more efficiently.
Explanation:
ayo biology ppl
which class ring should i get for everyday wear
im leaning towards the gold one a lil
Answers
Great minds think alike! I also think the golden one is the best choice.
Go for it!
PLEASE HELP PLEASE PLEASE PLEASE PLEASE HELP PLEASE PLEASE PLEASE PLEASE HELP PLEASE PLEASE PLEASE
Answers
Answer:
B
Explanation:
So lets go over facts of mieosis and mitosis:
Meiosis is sexual reproduction
Mitosis is asexual reproduction
Meiosis in animals is how they reproduce
Mitosis in animals is how they regenrate their cells
Mitosis copies the orgninal cell.
Meiosis mixes a male and female egg and sperm to form a zygote
Ok, knowing this. We can find our answer.
Since we know meiosis is sexual, and mitosis asexual, we can get rid of C.
We also know that meiosis is in animals, and so is mitosis, so we can get rid of A.
Finally we can get rid of D, since we know due to the male and female genetics(and through the swapping of chromesomes during prophase)that genetic variation occurs in meiosis, but since mitosis copies a single cell, it is not genetically varient.
So the answer must be C, which states that Mitosis has genetically identical cells, while mieosis does not.
Hope this helps! ;)
Biologists look at how organisms are related and when they first appeared on Earth. Which of the following is true about the organisms that live on Earth today?
A. All organisms that have ever lived on Earth can still be found alive today.
B. Some of the organisms alive today have been around for 4.6 billion years.
C. The organisms alive today are the same as the ones found in fossils.
D. The organisms alive today evolved from organisms that previously lived on Earth.
Answers
Answer:
the organisms alive today evolved from organisms that previously lived on Earth.
Explanation:
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The organisms that live on Earth today evolved from organisms that previously lived on Earth.
What is pre existing organism?The focus of biogenesis states that all living organisms arise from a pre-existing living organism. The theory of biogenesis is given by Louis Pasteur.
The theory said that life comes from pre-existing life, by means of reproduction. Living beings do not arise from non-living things.
Thus, option "D" is correct, organisms arise from a pre-existing living organism.
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How do glands of the endocrine system help your body maintain homeostasis?
Answers
The definition of biological evolution encompasses
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Answer:
Biological evolution, simply put, is descent with modification. This definition encompasses small-scale evolution (changes in gene frequency in a population from one generation to the next) and large-scale evolution (the descent of different species from a common ancestor over many generations).
Explanation:
periodic table of elements an atom contains 11 protons and 12 neutrons, its atomic number will be_ and the mass number will be _.
a 1, 23
b 11, 23
c 12, 11
d 23, 11
Answers
Answer: the atomic number is eleven because the number of protons is equal to the number of electrons which is also equal to the atomic number.
The atomic mass is the protons+neutrons which after adding will give 23.
Explanation:
What color light does a leaf reflect?
Answers
The specific colors of light that a leaf reflects depend on the pigments present in the leaf. Chlorophyll, which is the pigment primarily responsible for the green color of leaves.
leaf reflects green light and absorbs other colors of the visible spectrum such as blue and red. Carotenoids, which are pigments that give leaves their yellow and orange colors, leaf reflects yellow and orange light. And finally, anthocyanins which are pigments that give leaves their red, purple and blue colors, leaf reflects red, purple and blue light. Additionally to these pigments, other substances on the leaf surface can also affect the light leaf reflects. It's worth noting that while leaves reflect visible light, they also reflect other types of light such as near-infrared and ultraviolet, but these are not visible to the human eye.
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What needs to be in an introductory paragraph in an interpretive essay about plays?
A.
background information on the play
B.
critical interpretations of the play
C.
a list of all the plays written by the author
D.
a definition of "plays"
Answers
Answer:
B
Explanation:
need to know this to explain what you know on the central idea of the story.
Kelp forests are a very important ecosystem in marine waters by supporting important biodiversity. These kelp forests are threatened by all of the following except _____.
Answers
Kelp forests are a very important ecosystem in marine waters by supporting important biodiversity. These kelp forests are threatened by all of the following except presence of large predators.
Kelp forests are an incredibly important marine ecosystem that provide a variety of benefits to the surrounding environment. They are a prime source of habitat and food for a large variety of species, including fish, invertebrates, and even certain species of seabirds. In addition, kelp forests also act as a type of buffer, protecting coasts from erosion and providing habitat for juvenile fish, which helps to maintain coastal fish populations. Unfortunately, kelp forests are threatened by many factors, including overfishing, pollution, and climate change.
The one factor that does not threaten kelp forests is the presence of large predators. While large predators can have a significant impact on the overall structure of a kelp forest, they are not directly responsible for the decline and destruction of kelp forests. For example, while sea otters, seals, and sea lions can have a significant impact on kelp forests by over-browsing, they are not the cause of the decline in kelp forests.
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Plant seedlings were treated with a range of concentrations of coumarin, a small organic compound. After one week, seedling height was taken as a measure of plant growth. In a separate experiment, stem tissue sections were taken from newly germinated seedlings and incubated in solutions containing 14C-glucose and coumarin. After 24 hours, the quantity of radioactive label in cytoplasmic and cell wall fractions was measured. All data are shown in the table above. Which statement is supported by these results
Answers
Coumarin is found to restrict the production of a specific component found in the cell walls but not in the cytoplasm, which plays an important role in the growth of the stem. (BIOSYNTHESIS< CYTO< STEM GROWTH)
The results from the experiment suggest that coumarin treatment negatively impacts the growth of plant seedlings, as measured by seedling height. This indicates that coumarin has an inhibitory effect on stem growth.
Additionally, the experiment that measured the number of radioactive labels in cytoplasmic and cell wall fractions revealed that coumarin affects the biosynthesis of a specific component in the cell walls but not in the cytoplasm. This suggests that coumarin specifically targets the production of a component that is critical for stem growth, and that this component is found primarily in the cell walls and not in the cytoplasm.
This is further supported by the fact that the radioactive label is found in the cell wall but not in the cytoplasm, indicating that the biosynthesis of this component is taking place in the cell wall and not in the cytoplasm. Overall, these results suggest that coumarin is inhibiting the biosynthesis of a component that is critical for stem growth, specifically in the cell walls.
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A sea otter is considered very important in
maintaining his ecosystem and food web.
Changes with him will affect the ecosystem
dramatically. A species such as this is called
a(n).
A. keystone species
B. VIP
C. ecosystem king
Answers
Why are vestigial structures not removed by natural selection?
Answers
how do natural selection gene flow and genetic drift contribue to variation in population drift
Answers
Natural selection, genetic drift, and gene flow are mechanisms that cause changes in allele frequencies over time, contrary to the Hardy-Weinberg assumption, and evolution occurs.
Evolution refers to changes in the genetic composition of a population of organisms over time. There are four forces that work together to effect evolution: mutation, natural selection, genetic drift, and gene flow. First, natural selection is a mechanism by which organisms with beneficial traits become more likely to inherit those traits, increasing the population of the next generation.Genetic drift results from random changes in allele frequencies. , these changes may restore or promote genetic diversity. Gene flow is the exchange of genes between populations by migration or mating, which can introduce new alleles and introduce genetic variation into populations. Ultimately, mutation produces genetic variation by spontaneously forming new alleles.
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What does the grey layer(clay) do in
the soil profile?
Answers
In deeper horizons such as the B-horizon, a brown colour usually means that the soil has good natural drainage. A black or dark grey colour usually comes from an accumulation of organic matter. In areas of high rainfall, this may again mean poor drainage.
23. Disposable nonwoven drapes: a. Are impervious to fluid strikethrough b. May be a combination of fluid-resistant and absorbent layers c. Can be reprocessed
Answers
The correct option is B ; May be a combination of fluid-resistant and absorbent layers There are two kinds of surgical drapes: reusable and disposable.
Reusable drapes are comprised of a woven cloth that is washed and sterilized between treatments. Disposable drapes, on the other hand, are often constructed of non-woven material and are cremated after each operation.
McKesson Field Drape/Towel Non-Fenestrated is sterile and poly-lined, making it suitable for use in operating rooms. This critical medical supply item is used during surgical operations to drape over the body in order to separate the operating field. To prevent bacterial strike-through, the inner poly layer repels moisture.
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What is the great red spot on Jupiter
A. Hurricane
B. Thunderstorm
C. Bad Weather
D.Tornado
Answers
What would happen to the population of snakes and rabbits if hawks were removed from the ecosystem?
Answers
3. Why might human immunodeficiency viruses (HIV) not cause symptoms right away?
Which cells do they infect?
Please help
Answers
Answer:
HIV may not cause symptoms early on. People who do have symptoms may mistake them for the flu or monoSkin rash.
Symptoms may appear from a few days to several weeks after a person is first infected. The early symptoms usually go away within 2 to 3 weeks.
HIV (human immunodeficiency virus) is a virus that attacks the immune system
There are two types of HIV:
HIV-1, which causes almost all the cases of AIDS worldwide
HIV-2, which causes an AIDS-like illness. HIV-2 infection is uncommon in North America.
Explanation:
Need help ASAP! Will give brainliest;) NO LINKS please, WILL REPORT.
Which is the most accurate evidence of an evolutionary relationship between two organisms?
A). Similarity in niche
B). Similarity in habitat
C). Similarity in behavior
D). Similarity in DNA
Answers
Answer: D
Explanation: Every other choice can be changed with environment and other factors but DNA can effectively compare organisms.
What makes mollusks different from other animals?
Answers
Mollusks have soft bodies, and their bodies are not divided into rings like the segmented .Mollusks also have a hard outer shell to protect their bodies. These characteristics makes mollusks different from other animals.
Four common characteristics that all mollusks share , are having soft bodies, a mantle, a visceral mass, and the foot.
The phylum Mollusca has many distinctive features and special characteristics, which include a mantle cavity, visceral mass, foot, and radula. Mantle is the cavity which is used for breathing and excretion purpose , radula is longue like structure that helps in sensory and food grasping purpose. Mollusks also includes various classes like Gastropod, Bivalvia, Cephalopoda, and Polyplacophora .
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this is probably easy but im not smart, so here
Once organisms die, their organic remains are decomposed. If they are left under the earth with heat and pressure for millions of years they can become fossil fuels. What are three examples of these?
Answers
Answer:
Three examples of fossil fuels are:
1). Petroleum
2). Coal
3). Natural gas
Which hypothetical scenario would result in
the moon not having different phases?
Answer:The answer is the moon or it around earth takes while as long but I don’t know why tho, can someone explain please
Answers
Answer:
the different phases of the moon are proof that it revolves around the earth at the rate it does, so if it revolved around earth much more slowly, then the phases wouldn't be visible because the sun wouldn't hit the moon as it does now
Explanation:
i don't know why this is being taught who cares about the moon
Han’s younger sister is riding her tricycle in a straight line. Her speed is 2.5 m/s. After 5 seconds, she comes to a stop. What is her acceleration during this time? (Hint: when she comes to a stop her speed will be 0 m/s).
Answers
-0.5m/s^2
Explanation:
the answer is negative this only show direction that is acceleration is a vector quantity
Look at this picture. Is this bird about to become this predator’s lunch? What do you think is happening in this photo?
Answers
Answer:
I don't think it is becoming the predator lunch. there are some birds who will clean the teeth
how dors raising the temperature affect the rate of nuclear decay
HELP ASAP DYE TMRRW
Answers
Unlike chemical reaction rates, which vary with the conditions of a reaction, nuclear decay rates are constant..Raising the temperature has no effect on the rate of nuclear decay.
How does temperature impact the rate of decay?Decomposing organisms are less active in cooler temperatures, keeping the pace of decomposition low.
How is nuclear decay influenced by temperature?A speed of alpha, beta, & electron decays all rely on temperature & whether they are contained inside an insulating or conducting material, as demonstrated by numerous groups.
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What implications could this have for this species of slug from an evolutionary standpoint? What potential advantages or disadvantages might this mutation have?
Answers
Positive mutations are essential for evolution to occur. They raise a living thing's chances of surviving or procreating. Deadly mutations can give rise to cancer or genetic diseases.
Are mutations typically detrimental?While most mutations are beneficial, some can also be dangerous. A dangerous mutation might cause a genetic illness or a cancerous condition. Chromosome-level mutations are still another type. Chromosomes, which are little, threadlike organelles present in the cell nucleus, carry genes.
Why do mutations cause issues?A variation can make a protein malfunction or not be created at all by altering the gene's instructions for producing it. A variation can impair normal development or result in a disease when it changes a protein that is essential to the organism.
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What are 3 vegetarian choices for protein?
Answers
Three vegetarian choices for protein includes Grains and pulses, Dairy products and Soya and tofu.
Protein for vegetarians include beans, peas, and lentils, nuts and seeds and soy products. Protein is one of the most essential nutrients for daily life , as they are required to help your body repair cells and make new ones. Protein also plays crucial role in growth and development in children and expecting mothers .
In general , proteins are required for the repairing and building your body's tissues, They also allows metabolic reactions to occurs at place for easy body function . Hence , vegetarians should include protein from variety of protein sources to ensure proper body functioning .
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