Question

state some economic benefits of rivers and lakes

Answer 1

The main economic source of River is to give drinking water to the peoples. Since it's does not contain any large amount of salts.

Answer 2

1.) lakes and rivers are used in irrigation and other agricultural activities.
2.) they add to the beauty of nature which helps to develop tourism and re-creation
3.)they help in the generation of electricity mainly hydro power and are also used in navigation