Assertion (A): Net primary productivity (NPP) is the rate of biomass accumulation by producers after accounting for respiratory losses. Reason (R): Gross primary productivity (GPP) is the total rate at which producers synthesize organic matter during photosynthesis.
- ABoth A and R are true and R is the correct explanation of A
- BBoth A and R are true but R is NOT the correct explanation of A
- CA is true but R is false
- DA is false but R is true
✓ Correct answer: B
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