Assertion (A) The frequency of floods in the North Indian plains has increased in the last two decades. Reason (R) Deposition of silt has reduced the depth of river valleys.

Both A and R are correct but R and R is not the correct explanation of A.

Both A and R are correct and R is the correct explanation of A

Assertion (A) The frequency of floods in the North Indian plains has i

1.	Assertion (A) The frequency of floods in the North Indian plains has increased in the last two decades. Reason (R) Deposition of silt has reduced the depth of river valleys.
A.	Both A and R are correct and R is the correct explanation of A
B.	Both A and R are correct but R and R is not the correct explanation of A.
C.	A is right but R is wrong
D.	A is wrong but R is right
Answer» B. Both A and R are correct but R and R is not the correct explanation of A.