Geography, 28.01.2021 19:40, justarando
Question:Early in Earths history, the atmosphere was mainly composed of ammonia, methane, nitrogen, carbon dioxide, and helium. Today it is mostly composed of nitrogen and oxygen. What idea does this support about earth?
Answers: 1
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Question:Early in Earths history, the atmosphere was mainly composed of ammonia, methane, nitrogen,...
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