question_answer

Direction: Each of the question below consist of two statements an Assertion (A) and a Reason (R). Mark of the appropriate response as under: A. A river differs from a lake. R. Lakes are open heterotropic systems.

A)  If both A and R are correct and the R is a correct explantion of A.

B)  If both A and R are correct but R is not a correct explanation of A.

C)  A is true but R is false.

D)  Both A and R are false.