Nature constantly adjusts the atmospheric carbon level. An increase in the level causes the atmosphere to hold more heat, which causes more water to evaporate from the oceans, which causes increased rain. Rain washes some carbon from the air into the oceans, where it eventually becomes part of the seabed. A decrease in atmospheric carbon causes the atmosphere to hold less heat, which causes decreased evaporation from the oceans, which causes less rain, and thus less carbon is washed into the oceans. Yet some environmentalists worry that burning fossil fuels may raise atmospheric carbon to a dangerous level. It is true that a sustained increase would threaten human life. But the environmentalists should relax—nature will continually adjust the carbon level.

Which one of the following, if true, would most weaken the argument in the passage?

(A) Plant life cannot survive without atmospheric carbon.
(B) It is not clear that breathing excess carbon in the atmosphere will have a negative effect on human life.
(C) Carbon is part of the chemical "blanket" that keeps the Earth warm enough to sustain human life.
(D) Breathing by animals releases almost 30 times as much carbon as does the burning of fossil fuels.
(E) The natural adjustment process, which occurs over millions of years, allows wide fluctuations in the carbon level in the short term.

Answers

Answer 1

Answer: E) The natural adjustment process, which occurs over millions of years, allows wide fluctuations in the carbon level in the short term.

Explanation:

If the natural adjustment process takes millions of years then it nature will not be able to adjust the levels of carbon in the atmosphere fast enough. This means that in the short term, carbon levels will fluctuate widely if more fossil fuels are burnt.

It is therefore necessary that humans reduce how much fossil fuels that burn to ensure that in the short term, situations on earth are manageable while the adjustment process goes on for millions of years.


Related Questions

What is the relationship of gravity to Earth, the sun and moons?

Answers

Explanation:

Our sun is 27 million times larger than our moon. Based on its mass, the sun's gravitational attraction to the Earth is more than 177 times greater than that of the moon to the Earth.

State 3 characteristics of iodated salt​

Answers

Answer:

1. soluble in water

2. White Crystalline Powder

3. Transparent and Colorless

A pack of Ramboulet sheep were imported from Australia to Pakistan in November. After some days, various sheep were suddenly died. Remaining of them were carefully examined by an expert veterinarian who found that sheep were extremely weak with yellowish mucus membrane. Sheep were gasping and it was examined that some of them are anxiously looking at their belly. He prescribed some emergency drugs along with fecal examination. Results showed presence of large quantity of parasite oocytes approximately ranging from 145 -155 um in length and 85-95um in width. How will you proceed with diagnosis as veterinarian? What is differential diagnosis and lifecycle of parasite?

Answers

Answer:

Through medication.

Explanation:

First I will apply medication that kills the pathogen that is present in the feces as well as good feel to maintain the health of sheep which was weak due to the pathogens. I have to apply vaccines that kills oocyst that is responsible for this infection. A differential diagnosis refers to a list of possible conditions or diseases that could be causing your symptoms. It can be obtained from your symptoms, medical history, laboratory results, and a physical examination. We can find out the disease through the symptoms that we observe from physical examination.

List at least 5 environmental problems caused by human populations inhabiting the earth. Propose some possible solutions that might address these problems.

Answers

Answer:

1 - Deforestation

2 - Industrial Fishing (mass fishing; when industries use those big nets to collect a ton of fish. y’know that Finding Nemo scene?

3 - Global Warming

4 - Poaching

5 - Pollution

Explanation:

Deforestation is destructive to our air quality, as well as the homes of wild life. This can and does causes animals to die, and not enough animals for the greater part of the food chain.

Industrial fishing is harmful to entire environments purely by there being a lack of fish for other animals to eat, as well as a large portion of the worlds fish being now absent because of this mass fishing.

Global Warming is caused by harmful gasses being released into our atmosphere, which is harmful for all life on earth when the earth’s temperatures are being raised.

Climate change in general is bad and caused by humans’ negative impact.

Poaching is illegally hunting animals. This leads to [if not already endangered] wild animals being endangered or extinct.

Pollution can go from anything to littering on the street or beach to industries dumping oil into our oceans, which is harmful for our water supply and all ocean wildlife.

Containers of ice cream are sold by volume, not by weight. Some ice cream manufacturers pump air into the ice cream before packaging it. Why does this practice make the ice cream more expensive to the consumer?

Answers

So that the ice cream doesnt melt

______ is an enzyme that catalyzes the conversion of phosphate and ADP into ATP during oxidative phosphorylation in mitochondria.
a- Acetyl CoA
b- Cristae
c- ATP synthase
d- Krebs cycle

Answers

D is the answer………………

Help me thanks!!!!!!!!

Answers

The answer is this: In 2005, 27.99 males out of every 100,000 were diagnosed with melanoma. I did the quiz on Edge.

Write a short note on broyophytes? ​

Answers

Answer:

Bryophytes are an informal group consisting of three divisions of non-vascular land plants: the liverworts, hornworts and mosses. They are characteristically limited in size and prefer moist habitats although they can survive in drier environments. The bryophytes consists of about 20, 000 plant species.

[tex]\underline{QUESTION:_}[/tex]

[tex]Write~ a ~short~ note ~on~ bryophytes?[/tex]

-----------------------------------------------

[tex]\underline{ANSWER:-}[/tex]

Bryophytes are a loose classification of three non-vascular land plant embryophytes: liverworts, hornworts, and mosses. They are typically small and prefer damp surroundings, however, they may thrive in drier ones. There are over 20,000 plant species in the bryophytes.

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[tex]\textnormal{HOPE IT HELPS}[/tex]

[tex]\textnormal{HAVE A GREAT DAY!!}[/tex]

help me plezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

Answers

Answer:

10.. arteries and veins

11..they take in nutrients from the soil

12..cell membrane and cell wall

during what phase of the cell cycle does the cell prepares for Mitosis?​

Answers

Answer:

interpahse

Explanation:

A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division. The cell then leaves interphase, undergoes mitosis, and completes its division

Answer:

during interphase......

The cassava is an important food crop for people living in sub-Saharan Africa. In the 1970s, mealybug infestations destroyed harvests and people starved. A researcher who studied the mealybug in its native environment discovered a parasitoid wasp that was a natural predator. After extensive testing to determine safety, the parasitoid wasp was introduced into the sub-Saharan region with tremendous effect controlling the mealybug throughout most of Africa. This approach represented a form of

Answers

Answer:

Biological control.

Explanation:

The introduction of parasitoid wasp into the sub-Saharan region in order to control the population of mealybug throughout most of Africa. This approach represented a form of biological control because one harmful organism is controlled with the help of other living organisms that feed on them. This method is environmental friendly and good as compared to chemical method of removing harmful insects.

AMP-PNP is a non-hydrolyzable analog of ATP that can bind to proteins in a similar manner as ATP but is no longer hydrolyzed. Predict what would happen to helicase activity if AMP-PNP were added to a DNA replication reaction. Choose one: A. Helicase would function normally, since AMP-PNP is not the same as ATP and would not bind to helicase. B. Helicase would function normally, since AMP-PNP is an analog of ATP and would function in the place of ATP. C. Helicase would function faster than normal, since the AMP-PNP is not hydrolyzed. ATP binding induces conformational changes, but hydrolysis slows DNA unwinding by helicase. D. Helicase would no longer function, since the AMP-PNP is not hydrolyzed. ATP binding and hydrolysis induce the conformational changes that facilitate DNA unwinding by helicase.

Answers

Answer:

The correct answer is - D. Helicase would no longer function, since the AMP-PNP is not hydrolyzed. ATP binding and hydrolysis induce the conformational changes that facilitate DNA unwinding by helicase.

Explanation:

During the replication process, helicase unzips or unwinds the double-stranded DNA. Helicase is a motor protein that uses ATP molecule hydrolysis in order to break the H-bonding between the strands of DNA.

If AMP-PNP added during DNA replication then it will bind to helicase and remains bound to helicase due to fact that it is a nonhydrolyzable ATP analog.

3.5.2 Test (CST): Computer-Scored Unit Test
Question 18 of 25
Why does having a genetically diverse population make a species more likely
to survive a change to the environment?
A. They are more likely to reach carrying capacity.
B. They are more likely to have harmful mutations.
C. They are more likely to become an invasive species.
D. They are more likely to have some individuals adapted for survival.

Answers

Answer:

D

Explanation:

Looks correct if you go with D

Genetically diverse population make a species more likely to survive a change to the environment because they are more likely to have some individuals adapted for survival. Thus, the correct option will be D.

What are Genetic variations?

Genetic variation is the difference in the DNA molecule among different individuals or the differences between different populations of a species. The multiple sources of genetic variation include changes which could result from mutation and genetic recombination.

Mutations are the ultimate sources of genetic variation in a population, however other mechanisms, such as genetic drift, also contribute to it, as well. The populations which are genetically diverse are more likely to have some individuals adapted for survival.

Therefore, the correct option will be D.

Learn more about Genetic variations here:

https://brainly.com/question/848479

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Ecotourism can provide an incentive for local people to preserve the environment in order to attract more visitors, but sometimes development is done with little planning for long-term environmental impacts. On a small island in the Caribbean, a local group is considering opening a resort for ecotourism. If they wish to build a sustainable and ecofriendly business, what should be the next steps in their plan?
A. Investigate the ecological impacts and gather evidence on which to base their decisions
B. Hire an agent to locate a suitable property and start developing infrastructure
C. Market the development to investors and explain ecotourism to them to raise money for the resort
D. Determine what types of activities the resort will offer and hire staff

Answers

Answer: The next steps in their plan should be to (Investigate the ecological impacts and gather evidence on which to base their decisions). The correct option is A.

Explanation:

ECOTOURISM is defined as the visitation of individuals (tourist) to natural areas that conserve the environment and sustains the well-being of the local people. It has to do with the interaction of the biotic components of the natural environment by tourists. This has the advantage of providing an incentive for the local inhabitants but can cause a long term negative environmental impact of not properly planned.

Conservation of these natural resources improves the quality of lives. It enables the inhabitants to live in a clean and healthy environment (eco-friendly). To set up a tourism center, certain rules and regulations needs to be met in order to avoid endangering both the biotic and abiotic components of the ecosystem. Therefore these local groups should investigate the ecological impacts and gather evidence on which to base their decisions. This would help conclude if a particular selected environment is conducive.

state four activities that can cause hazards at work places ​

Answers

Answer:

cords in walkway , horseplay, not locking and tagging out broke machines, tools not put away in proper place

draw the metaphase stage of mitosis in plant cell with chromosomes​

Answers

Answer:

get a life sci study guide it will help u

what do you mean by the chromatin fibres ?​

Answers

Hey buddy I am here to help!

Chromatin fibers are coiled and condensed to form chromosomes. Chromatin makes it possible for a number of cell processes to occur including DNA replication, transcription, DNA repair, genetic recombination, and cell division.

Hope its helps!

Plz mark me brainliest!

They form chromosomes

Part B Which shape of molecules do scientists think may be important for the development of life and why?

Answers

Answer:

Molecular shape (the shape that a single molecule has) is important in determining how the molecule interacts and reacts with other molecules. The Molecular shape also influences the boiling point and melting point of molecules. If all molecules were linear then life as we know it would not exist.

Answer:

Scientists think that branched molecules may be important for the development of life. That’s because amino acids have branched molecules, and they are the building blocks of proteins

Explanation:

plato

The Earth is also called a/an
a) Population
b) Ecosystem
c) Biosphere
d) Species

Answers

C) biospheres thank you

NPK fertilizer are added in the soil to fulfill the need of ________​

Answers

Answer:

Fertilizer is added to soils to increase plant productivity. A common type of fertilizer is called NPK fertilizer because of its ingredients: nitrogen (N), phosphorus (P), and potassium (K).

Explanation:

Cellular Respiration requires the use of __________ which are located on the _________.

Answers

Answer:

Cellular respiration requires the use of glucose which are located on the mitochondria.

Explanation: Hope this helps :)

Briefly explain the adaptive features of plants and animals in a forest.

Answers

Answer:

being invisible to a predator or prey is an advantage in the tropical rainforest

22. Which of the following situations is the result of epistasis?
A mouse has black fur, black eyes, and black skin.
A mouse has white fur with black spots and black eyes.
A mouse has black fur with white spots and black eyes.
A mouse has white fur, pink eyes, and pink skin.

Answers

Answer:

The result of epistasis is actually:

A mouse has white fur with black spots and black eyes.

Explanation:

Answer:

Genotype: BBee

Phenotype:

✔ black

fur and

✔ red

eyes

Genotype: BbEe

Phenotype:

✔ black

fur and

✔ black

eyes

A mouse with black fur and red eyes could have the genotype

✔ Bbee

.

The same mouse with black fur and red eyes could also have the genotype

✔ BBee

.

Explanation:

Did it all correct

how the skin cells, neurons, muscle cells, and blood cells you have observed relate to the functions of skin, nerve, muscle, and blood tissue?

Answers

Answer:

All the type of cels perform different kind of functions that are specific to them.

Explanation:

Every cell has its own work to do but different cells may have different functions in multicellular organisms, cell with the same type of job often work together.

These groups of specialized cells from tissue in turn, the tissue often group together to form larger units called organs the heart is an organ; so is the stomach.

im not sure what the answer is please helpppp

Answers

The answer is B because the humoral immune response is mediated by antibody

How does ocean expansion occur?

Answers

Answer:

Sea level rise

Explanation:

chromosomes with one arm very small and other very long called​

Answers

Answer:

Acrocentric

Explanation:

hope this is right

p,ease help meeeee
due in 5​

Answers

Answer:

A membrane is partially permeable which means if a molecule that is smaller than another it can pass through the membrane but the molecule which is larger cannot (this totally depends on the membrane)

Which description best defines blastocyst? ОА. a fertilized egg OB. an egg released from the ovary Ос. a mass of specialized cells OD an embryo with a notochord Reset Next​

Answers

Answer:

ob

Explanation:

by which process does air move into the lungs?​

Answers

Answer:

When you breathe in, the diaphragm moves downward toward the abdomen, and the rib muscles pull the ribs upward and outward. This makes the chest cavity bigger and pulls air through the nose or mouth into the lungs.

pls mark me the brainliest

Answer:

respiratory system

Explanation:

The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs, and blood vessels. The muscles that power your lungs are also part of the respiratory system. These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide.

Hope this helps

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She starts to take a new way homefrom school. Sometimes she visits their mothers, who make her pancakes and ask about her day.Occasionally they nudge her to clean the rooms of the eaten, still messy, untouched. Theyre grateful tohave a glimmer of their children. Others werent so lucky.In time the children become stronger. She no longer enjoys ballet; she plays soccer instead. She quitsthe debate team, preferring to stay home and play video games. She becomes allergic to her own dog,so her parents put it up for adoption. Soon she pals around with the older childrenthe siblings of theones she atewho were rendered safe by their extra few years on earth. They teach her how to smokecigarettes and steal things from peoples mailboxes.She tries to make them all happy but there are so many of them, so many voices, its hard to knowwhose feelings are whose. She wants to quiet them, but how can she? Shes the lucky one. The onewhos still here.A few months roll around and shes eating dinner at a different house each night, sleeping in a differentbed, playing a different sport. Her handwriting is never the same. She starts using words shed neverlearned before. Rude words. She is very, very tired. But they still want more.She leaves in the middle of the night so the parents cant stop her. It takes time for her to find anybody,the next town so irreparably gutted. They must have had more children here. But when she sees theother girl crying, tiny face framed by a red bow, she knows she has found the one. The other girl countsstones on the cold sidewalk, giving them each a name: Emma, Jordan, Taylor, Mackenzie, and talks tothem, asks them what they want to do.When she approaches, the other girl startles. I thought you were the wolf, the other girl whispers. Ipromise I tried to save them.She kneels beside the other girl, wipes the tears from her eyes. Eat me, she says. It will help.What makes this story's ending typical for a flash fiction story?It ends in a way that is completely expected.It carefully states the theme of the story.It leaves a lot to the reader's interpretation.It reflects on events in the story's first paragraph. security is an essential elements of a society explain WHAT PUNCTUATION MARKS IS USED TO INTRODUCE A SHORT, DIRECT QUOTATION IN FORM OF COMPLETE SENTANCE The following data were accumulated for use in reconciling the bank account of Creative Design Co. for August 20Y6: a. Cash balance according to the company's records at August 31, $19,140. b. Cash balance according to the bank statement at August 31, $19,950. c. Checks outstanding, $3,890. Deposit in transit not recorded by bank, $3,120. d. A check for $340 in payment of an account was erroneously recorded in the check register as $430. e. 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