Assertion (A) : After carbon, nitrogen is the most abundant element in the biosphere. Reason (R) : Nitrogen is essential for synthesizing the living matter in nature. Codes

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Environmental geography is the branch of geography that describes the aspects of interactions between humans and the natural world.


Assertion (A) : After carbon, nitrogen is the most abundant element in the biosphere. Reason (R) : Nitrogen is essential for synthesizing the living matter in nature. Codes