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UPSC Prelims & Mains Questions
Among the following crops, which one is the most important anthropogenic source of both methane and nitrous oxide?
A)
Cotton
B)
Rice
C)
Sugarcane
D)
Wheat

Correct Answer :   Rice

Note : Methane and nitrous oxide are emitted from conventional and modified rice cultivation systems.

Year : 2022
Category : General Studies
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