| Assertion (A) The rivers flowing from mountains to plains tend to lose their speed. |
| Reason (R) The slopes become gentler over plains. |
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.
Correct Answer: A
Solution :
Usually mountains have steepslopes which increase the speed and velocity of rivers. [a] But when rivers enter into plains the slopes become gentler and reduce the speed and velocity of these rivers. Such is the case with the Northern plains, where slopes are gentler.
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