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What I know about the greenhouse effect and global warming
February 28th, 2008 by hockeydude23
The Greenhouse effect is where sunlight comes into our atmosphere, bounces off the surface of the earth and tries to get back out into space, but the ozone layer, made of greenhouse gasses, (nitrous oxide, methane, co2, and water vapour) keep in the heat. As we pollute, the ozone layer gets thicker and thicker and keeps more heat in.
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on February 28th, 2008 at 3:56 pm
Good Job! Nice picture!! )>^_^)>
on March 5th, 2008 at 11:16 am
I think you worded everything perfectly.