Question

What is river basin

Answer 1

A drainage basin is any area of land where precipitation collects and drains off into a common outlet, such as into a river, bay, or other body of water

Answer 2

Hii..

River basin is a portion of land drained by a river and its tributaries.

It encompasses all of the land surfaces drained by many streams and creeks that flow downhill into one another , and eventually into one river.

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hope this helps !!