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Primitive Atmosphere
According to scientists, Oparin and Haldane, which of the following gases were present in the primitive atmosphere??

A. CH4, NH3, H2, H2O

B. CO2, NH3, H2, H2O

C. N2, O2, H2, H2O

D. CH4, NH3, O2, H2O

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http://mcatquestionoftheday.com/biology/primitive-atmosphere/<https://mcatquestionoftheday.us4.list-manage.com/track/click?u=d3318065969b7c08ead5d4c4d&id=9bff581dc0&e=61d7ba7392>