Question

The area drained by a river or river system is called a

Answer 1

Answer:

A river basin or drainage basin is an area of land drained by a river and its tributaries . The edge of the drainage basin is known as the watershed .

Explanation:

This can be compared to a sink or basin, which catches the water falling into it.

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Answer 2

Answer:

A river basin or drainage basin is an area of land drained by a river and its tributaries. The edge of the drainage basin is known as the watershed. This can be compared to a sink or basin, which catches the water falling into it. The water travels towards the centre and leaves the sink through a plug hole.