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carbon cycle

Authored by Laura Moore

Biology

9th Grade

Used 2+ times

carbon cycle
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15 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

When humans burn fossil fuels, most of the carbon quickly enters the as carbon dioxide.

Water

Atmosphere

Sun

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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How do living organisms return carbon to the atmosphere in the carbon cycle?

respiration and photosynthesis

decomposition and respiration

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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In the carbon cycle, trees and plants take in the gas __

carbon dioxide

oxygen

nitrogen

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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All of the carbon in existence is continually recycled in the carbon cycle

True

False

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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Combustion is another word for __________.

Transportation

Respiration

Fossil Fuels

Burning

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Carbon can be found in...

The atmosphere

Soil

Fossil fuels

All of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Which of the following removes carbon from the atmosphere?

Combustion

Respiration

Photosynthesis

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