Question

Regulating the flow of rivers affects its _______.

A

Quality of water

B

Natural flow

C

Utility to man

D

Source of origin

Easy

Solution

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Correct option is
B

Natural flow

  • The interruption of a river’s natural flow by dams, interbasin transfers or water withdrawal - is an indicator of the degree to which rivers have been modified by man.
  • The construction of large dams - defined as those with walls at least 15 metres high - has increased significantly over the past 50 years.
  • Damming and flood control can have negative impacts, such as declining fish catches, loss of freshwater biodiversity, etc.

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