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Greenhouse Gases Intro

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Last updated over 3 years ago
5 questions
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1
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Question 1
1.

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

Question 2
2.

Which of these does NOT add carbon dioxide to the atmosphere?

Question 3
3.

How does carbon in grass become part of an animal?

Question 4
4.

The main human activity that releases greenhouse gases is...

Question 5
5.

Why does too much carbon dioxide in the atmosphere cause climate change?