Question

38. The atmosphere of primitive earth was
(1) CO2, rich
(B) O2 rich
(C) Both A) and B)
(D) CO2 rich and free oxygen was absent

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Answer 1

Answer:

b o2...........,....,............

Answer 2

Here is the answer to your question:

The atmosphere of primitive earth was

(D) CO2 rich and free oxygen was absent


hope this may help.