Question

The area of land drained by a river and it's tributaries​

Answer 1

Answer:

A river basin is a portion of land drained by river and its tributaries it encompasses all of land surface dissected and drained by many streams and creeks that flow Downhill into one another, and eventually into Milwaukee river

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Answer 2

Answer:

A river basin is the portion of land drained by a river and it's tributaries. It encompasses all of the land surface dissected and drained by many streams and creeks that flow down hill into one another eventually into the Milwaukee river.