Answers

2014-09-17T18:57:32+08:00
Green house gases is mostly made from carbon dioxide,hydrogen and nitrogen,

these gases is present in atmosphere that traps the heat that comes from the sun.
that is why we are experiencing global warning. 
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2014-09-17T18:58:03+08:00
Water Vapor, Carbon Dioxide, Methane, Nitrous Oxide, Ozone, CFCs
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