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OpenStudy (anonymous):
what gases made up the atmosphere on early earth?
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OpenStudy (anonymous):
I think this would help: http://www.bbc.co.uk/schools/gcsebitesize/science/aqa/earth/earthsatmosphererev3.shtml
OpenStudy (anonymous):
could you just sum it up @DollyAcquah
OpenStudy (anonymous):
Oxygen, Nitrogen, Carbon Dioxide and Argon.
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