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The atmosphere of the earth at the time of origin of life was I.reducing II.with lack of free oxygen III. oxidisingIV.similar to recent atmosphere

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The atmosphere of the earth at the time of origin of life was
I.reducing
II.with lack of free oxygen
III. oxidising
IV.similar to recent atmosphere
A. I and II
B. III and IV
C. II and III
D. II and IV
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Correct Answer - A
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