Assertion: Agriculture and aquacultures are man-maintained ecosystems.
Reason: All biotic and abiotic factors are managed by humans in these ecosystems.
A. If both Assertion and Reason are true and the reason is the correct explanation of the assertion, then mark (1).
B. If both Assertion and Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
C. If Assertion is true but Reason is false, then mark (3).
D. If both Assertion and Reason are false, then mark (4)