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12.Ecosystem
normal
$A$ : During succession, nutrient availability decreases while biomass level increases.
$R$ : $NCP$ (Net community productivity) remains same during succession.
A
Assertion and Reason both are correct and also correct explanation.
B
Assertion and Reason both are correct but not explanation of assertion.
C
Assertion is correct, but Reason is incorrect.
D
Both Assertion and Reason are incorrect.
Solution
Nutrient availability increases during successions.
Standard 12
Biology
