Question

the velocity of river decreases and the volume of water increases in the middle course of river why​

Answer 1

Answer:

In the middle course the river has more energy and a high volume of water. ... The force of the water erodes and undercuts the river bank on the outside of the bend where water flow has most energy due to decreased friction

Explanation:

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Answer 2

Because of lot of obstacles present in the way of river

Eg:- car moves slowly when comes near to the stopper

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