A) Methane
B) Oxygen
C) Hydrogen
D) Water vapour
Correct Answer: B
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,\[C{{O}_{2}},C{{H}_{4}}\] and\[N{{H}_{3}}\]were present but free oxygen was not present in significant amount.You need to login to perform this action.
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