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Which of the following gases was most likely present in Earth's earliest atmosphere?
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Which of the following gases was most likely present in Earth's earliest atmosphere?
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May 4, 2017
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Which of the following gases was most likely present in Earth's earliest atmosphere?
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Emaxsaun
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Mostly carbon dioxide with very little oxygen.
There were small amounts of water vapor, ammonia, and also methane.
Manmohan Soni
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May 8, 2017
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Manmohan Soni
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