During the origin and evolution of life,key b | vedclass

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(C) According to the Oparin-Haldane hypothesis,the early atmosphere was reducing and contained simple molecules like $CH_{4}$,$NH_{3}$,$H_{2}O$,and $H

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Lightning as well as ultraviolet light

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(C) According to the Oparin-Haldane hypothesis,the early atmosphere was reducing and contained simple molecules like $CH_{4}$,$NH_{3}$,$H_{2}O$,and $H_{2}$.Energy sources such as lightning and ultraviolet $(UV)$ radiation provided the necessary activation energy for these simple molecules to react and form complex organic compounds like amino acids and nucleotides in the primitive ocean.$UV$ rays also played a role in the photolysis of water,breaking $H_{2}O$ into $H_{2}$ and $O_{2}$.

During the origin and evolution of life,key biological compounds were progressively synthesized in the ocean with the help of energy obtainable from:

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