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The primitive atmosphere of earth contai...

The primitive atmosphere of earth contained water vapours, hydrogen, ammonia and

A

`CO_(2)`

B

Oxygen

C

Nitrogen

D

Methane

Text Solution

Verified by Experts

The correct Answer is:
D
Pinna or ear may not be absolutely correct as ''muscles of pinna'' have not been mentioned specifically in choice
(2). Thus wisdom tooth becomes the best option.
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