State economic benefits of rivers and lakes.

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Solution

Economic benefits of rivers
:

They provide water which is a basic natural resource essential for various human activities.
They are used for irrigation, navigation and hydro power generation.
They moderate the climate of the surroundings and maintain the aquatic ecosystem.

Economic benefits of lakes:
They help to regulate the flow of a river.
During heavy rainfall, they prevent flooding and during the dry season, they help to maintain an even flow of water.
They also moderate the climate of the surroundings and maintain the aquatic ecosystem.
They help develop tourism. They enhance natural beauty and provide recreation.
Lakes can also be used for developing hydro-power.

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