ABC
XYZ
100

The point where a river begins is called the _.

source

100

A smaller river or stream that flows into a larger river is known as a _.

Tributaries

200

The area of land drained by a river and its tributaries is called the _.

Drainage basin

200

The _ is the point where two rivers meet.

Confluence

300

The process by which water from precipitation is absorbed into the ground is called _.

infiltration

300

Which term describes the place where a river flows into a larger body of water?

Mouth

400

What is a floodplain?

A flat area near a river that may flood

400

What is the term for the highest point of a drainage basin?

Watershed

500

Distributary

A branch of a river that flows away from the main stream and does not re-join it.

500

It is the process by which a river adjusts to a new base level.

River Rejuvenation

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