The Living WorldMedium
Question
According to Oparin, which one of the following was not present in the premitive atmosphere of the earth ?
Options
A.Methane
B.O2
C.Hydrogen
D.Water vapour
Solution
According to Oparin, the atmosphere of primitive earth was reducing because H atoms were most numerous and most reactive. Large quantities of H2 , N2 , water vapour, CO2 , CH4 and NH3 were present bt free oxygen was not present in significant amount.
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