Given below are two statements:
Assertion (A): Natural vegetation is the true index of climate.
Reason (R): Water-loving plants are found in moist climate In the context of the above statements, which one of the following is correct?
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.