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  3. According to Oparin, which one of- the following was not present in the primitive atmosphere of the earth?

. According to Oparin, which one of- the following was not present in the primitive atmosphere of the earth?

A. methane

B. oxygen

C. hydrogen

D. water vapour

Best Answer

B

Sol.According to Uparin, the early atmosphere was free of oxygen (non-oxygenic). It was found in water, CO, CO2 and in metallic oxides on the surface rocks and particles.

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