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Among the following crops, which one is the most important anthropogenic source of both methane and nitrous oxide ?

ACotton

BRice

CSugarcane

DWheat

Answer:

B. Rice

Read Explanation:

Important anthropogenic sources of biogenic methane are wet rice fields, cattle, animal waste, landfills and biomass burning. Important anthropogenic sources of biogenic nitrous oxide are land-use change, fertilizer production and use and manure application.


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