Assertion A After carbon nitrogen is the most abundant element in the biosphere Reason R Nitrogen is...........

Science Affairs Chemistry

Assertion (A): After carbon, nitrogen is the most abundant element in the biosphere

Reason (R): Nitrogen is essential for synthesizing flora in nature

Codes

Both A and R is individually true and R is the correct explanation of A

Both A and R is individually true but R is not the correct explanation of A

A is true but R is false

A is false but R is true

Both A and R is individually true but R is not the correct explanation of A

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