Pick the correct statement(s) about the theory of chemical evolution.

Life originated from abiotic components

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Earth's atmosphere did not contain oxygen

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Life came from extra-terrestrial source

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UV rays, solar radiation and lightning were the main sources of energy

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Solution

The correct options are
A Life originated from abiotic components
B Earth's atmosphere did not contain oxygen
D UV rays, solar radiation and lightning were the main sources of energy
The assumptions of chemical evolution did not state that life originated from extra-terrestrial beings. But it did assume that life originated from abiotic factors, that earth's atmosphere did not contain oxygen and that UV rays, solar radiation and lightning were the chief sources of energy.

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