Tuesday, November 11, 2008

Greenhouse Gases

We are studying the effects of CO2 on the Earth. We know that CO2 can trap heat. But we want to know.....How does the heat get in, and not out?
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1 comment:

Anonymous said...

I know ways that we can cut down on CO2 emmissions!

November 11, 2008 at 7:24 AM

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