According to Oparin,which of the following wa | vedclass

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(A) According to the Oparin-Haldane hypothesis,the primitive atmosphere of the Earth was a reducing atmosphere. It contained compounds like $CH_4$,$NH

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Oxygen

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(A) According to the Oparin-Haldane hypothesis,the primitive atmosphere of the Earth was a reducing atmosphere. It contained compounds like $CH_4$,$NH_3$,$H_2$,and water vapor $(H_2O)$. Free oxygen $(O_2)$ was absent in the early atmosphere because it was highly reactive and would have immediately combined with other elements to form oxides. Therefore,oxygen was not present in the primitive atmosphere.

According to Oparin,which of the following was $NOT$ present in the primitive atmosphere of the Earth?

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