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Alexeev081 [22]
3 years ago
11

Solar radiation travels through the earth's atmosphere and warms the planet's surface. Greenhouse gases like carbon dioxide in t

he earth's atmosphere reabsorb the heat and warm the planet. The amounts of greenhouse gases have been increasing over the past century, causing the earth's surface temperature to increase. This gradual temperature change is thought to have many negative environmental consequences.
Which of these might be a POSITIVE effect of the increase in carbon dioxide levels?
A) rise in sea levels
B) decrease in plant growth
C) increase in plant growth
D) increased melting of ice caps

Biology
2 answers:
SOVA2 [1]3 years ago
3 0
<span>C) increase in plant growth </span>.
A can be eliminated because it is a negative effect. This also is the same with B and D. C is the answer because an increase in plant growth can positively affect our lifestyle. 
ehidna [41]3 years ago
3 0

Answer:

the answer is c

Explanation:

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What is the greatest source of canton that enters the ocean from the atmosphere ?
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Answer:

Carbon is an element that is essential to all life on Earth. Carbon makes up the fats and carbohydrates of our food and is part of the molecules, like DNA and protein, that make up our bodies. Carbon, in the form of carbon dioxide, is even a part of the air we breathe. It is also stored in places like the ocean, rocks, fossil fuels, and plants.

The carbon cycle describes the flow of carbon between each of these places. For example, carbon continually flows in and out of the atmosphere and also living things. As plants photosynthesize, they absorb carbon dioxide from the atmosphere. When plants die, the carbon goes into the soil, and microbes can release the carbon back into the atmosphere through decomposition.

Forests are typically carbon sinks, places that absorb more carbon than they release. They continually take carbon out of the atmosphere through the process of photosynthesis. The ocean is another example of a carbon sink, absorbing a large amount of carbon dioxide from the atmosphere.

Some processes release more carbon dioxide into the atmosphere than they absorb. Any process that uses fossil fuels—such as burning coal to make electricity—releases a lot of carbon into the atmosphere. Raising cattle for food also releases a lot of carbon into the atmosphere. These processes that release carbon into the atmosphere are known as carbon sources.

Ideally, the carbon cycle would keep Earth’s carbon concentrations in balance, moving the carbon from place to place and keeping atmospheric carbon dioxide levels steady. However, the carbon cycle is changing because of human activity. People are releasing more carbon into the atmosphere by using fossil fuels and maintaining large livestock operations. Deforestation is depleting Earth’s supply of carbon sinks. As a result, the amount of carbon in the atmosphere is rising.

Explanation:

hope this helps

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6 0
2 years ago
Match each field of study with its main focus.
umka2103 [35]
Anthropology=human culture, hydrology=water, meteorology=climate, and geophysics=inside of earth.

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5 0
1 year ago
A(n) _________ scan uses radioactive markers in the blood to monitor blood flow and metabolic activity via x-ray.
olya-2409 [2.1K]

Answer;

-PET scan

A PET scan uses radioactive markers in the blood to monitor blood flow and metabolic activity via x-ray

Explanation;

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-A PET scan is used to diagnose certain health conditions, to plan treatment, to find out how an existing condition is developing, and to see how effective a treatment is.

-In a PET scan, a machine detects radiation that is emitted by a radiotracer. A radiotracer consists of radioactive material that is tagged to a natural chemical, such as glucose.

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Answer:

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Explanation:

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