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jamie13

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jamie13

plz answer

what are the main levels of carbon dioxide in the atmosphere
10:50 Thu 04th Jun 20091 answer, last by squarebear 10:52 Thu 04th Jun 2009
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jamie13

Global Warming plz anwer plz

what is ment by the greenhouse affect?
10:43 Thu 04th Jun 20095 answers, last by gen2 20:33 Thu 04th Jun 2009
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jamie13

plz answer

what do most scientists think is causing the rise in the mean global temperatures?
10:36 Thu 04th Jun 20094 answers, last by tonyted 00:48 Fri 05th Jun 2009

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