Greenhouse Gases Intro

Last updated over 3 years ago
5 questions
1

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

1

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

1

How does carbon in grass become part of an animal?

1

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

1

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