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Which one of the following gases was not present in the atmosphere of primitive earth ?

+1 vote
in Class 12 by kratos

Which one of the following gases was not present in the atmosphere of primitive earth ?

(a) Methane

(b) Ammonia

(c) Oxygen

(d) Nitrogen

1 Answer

+5 votes
by kratos
 
Best answer

Correct option (c) Oxygen.

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