Question

Explain in short about the theory of chemical evolution.....

Answer 1

The formation of complex organic molecules (see also organic molecule) from simpler inorganic molecules through chemicalreactions in the oceans during the early history of the Earth; the first step in the development of life on this planet.


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Answer 2

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Chemical evolution describes chemical changes on the primitive Earth that gave rise to the first forms of life. ... The first atmosphere was made up of hot hydrogen gas, too light to be held by Earth's gravity. Water vapor, carbon monoxide, carbon dioxide, nitrogen, and methane replaced the hydrogen atmosphere.

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