Assertion A : To estimate the rainfall over a catchment, the number of raingauges required per unit area is large for hilly areas. Reason R : Rainfall gradient is steep. Select your correct answer according to the coding system given below?
ABoth A and R are true but R is not the correct explanation of A
BBoth A and R are true and R is the correct explanation of A
CA is true but R is false
DA is false but R is true
Correct answer
B. Both A and R are true and R is the correct explanation of A
Explanation
The correct answer is Both A and R are true and R is the correct explanation of A.