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Geography, 29.01.2021 01:50 jaelynnm

PLEASE HELP IM STRUGGLING AND I NEED TO KNOW 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?


PLEASE HELP IM STRUGGLING AND I NEED TO KNOW Question:Early in Earths history,the atmosphere was

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