Question

the drains on rivers have lost its storage capacity of water present days, Give reasons for it.​

Answer 1

Answer:

 The river, during its course to the reservoir, picks up sizeable amount of sediment and carries it along either as suspended load or bed load. Upon entering a reservoir, the velocity of flow becomes virtually zero and hence its carrying capacity is lost.

Explanation:

 The river, during its course to the reservoir, picks up sizeable amount of sediment and carries it along either as suspended load or bed load. Upon entering a reservoir, the velocity of flow becomes virtually zero and hence its carrying capacity is lost.