Question

what is dam ? its example

Answer 1

dams are a large wall in its people can do fishing etc

Answer 2

A dam is a barrier that retards the flow of a river . It helps to store the water and we can use this water for various purposes like generating electricity , recreation , flood control , inland navigation and fish breeding .
Eg : In Satluj river basin , Bhakhra Nangal dam is constructed .
Koyna Dam is constructed on river Krishna .
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