According to one of the most widely acce...

According to one of the most widely accepted theories earth's atmosphere before origin of life consisted of a mixture of

A

water vapour, `H_2, NH_3 & CH_4`

B

`H_2, O_2, NH_3 & CH_4`

C

`O_3, NH_3, CH_4, & H_2O`

D

`O_3, CH_4, O_2 & H_2O`

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The correct Answer is:

A

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