A: During succession , nutrient availability decreses while level increaes.
R: NCP (Net community productivity ) decreaes during succession.
A. If both Assertion &Reason are true and the reason is the corect explanation of the assertion , then mark (1)
B. If both Assertion & Reason are true but the reason, is not the correct explanation of the assertion , then mark (2)
C. If Assertion is true statement but Reason is false , them mark (3).
D. If both Asseration and Reason are false statements , then mark (4).