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Carbon Cycle and the Biosphere

Authored by Charles Martinez

Other Sciences

9th - 12th Grade

Used 1+ times

Carbon Cycle and the Biosphere
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35 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

Water
Atmosphere
Sun
Air

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which one of these does not add CO2 to the atmosphere?

cooking with gas
planting trees
burning wood
riding in a bus

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Combustion is another word for _______________.

photosynthesis

consumption

decomposition

burning

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does not produce carbon dioxide?

Photosynthesis
Burning Fossil Fuels
Animal respiration
Plants decaying

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

respiration and photosynthesis
 decomposition and respiration

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In the carbon cycle, producers take in the gas __

carbon dioxide
oxygen
nitrogen
carbon monoxide

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In what process is carbon from the atmosphere transformed into chemical energy (sugars)?

Photosynthesis

Respiration

Primary Production

Secondary Production

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