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Carbon Cycle

Authored by Jamie Parker

Biology

9th Grade

Used 15+ times

Carbon Cycle
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Plants use CO2 in the process of __________ to make _________ and oxygen.

respiration, methane

photosynthesis, sugar

respiration, sugar

photosynthesis, methane

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Animals use oxygen in the process of ____________ to make more CO2.

photosynthesis

burning of fossil fuels

natural gas

respiration

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The __________ is the main regulator of CO2 in the atmosphere because CO2 dissolves easily in it.

coal

ocean

natural gas

greenhouse

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the past, huge deposits of carbon were stored as dead plants and animals ______________.

coal

oil

ocean

decayed

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Today these deposits are burned as fossil fuels, which include ____________, _____________ and _____________.

oil

natural gas

coal

photosynthesis

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

More CO2 is released in the atmosphere today than in the past because of the ___________________________.

oil

greenhouse

burning of fossil fuels

respiration

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Another natural source for CO2 is _____________.

methane

ocean

sugar

decayed

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