before the emergence of life of what gases was
Before the emergence of life of what gases was the earth's primitive atmosphere constituted?
The earth's primitive atmosphere was basically produced of methane, hydrogen, ammonia and water vapor.
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before the emergence of life of what gases was the earths primitive atmosphere constitutedthe earths primitive atmosphere was basically produced of
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what are the main constituents of the earths atmosphere in our timethe present atmosphere of the earth is constituted mostly of molecular nitrogen n2
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