A) Methane
B) Oxygen
C) Hydrogen
D) Water vapor
Correct Answer: A
Solution :
According to Oparin, the atmosphere of primitive earth was reducing because H atoms were most numerous and most reactive. Large quantities of\[{{H}_{2}},\]\[{{N}_{2}}\]water vapour, \[C{{O}_{2}}\]and\[C{{H}_{4}}\]were present but free oxygen was not present in significant amount.You need to login to perform this action.
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