1
River that flows into other river or lake.
2
It is the space the water in the river occupies as it flows along its course.
3
Large blocks of ice break off from glaciers. They are moved by ocean currents.
4
Large bodies of ice that cover the polar regions or mountain summits.
5
Large deposits of water under the Earths' surface
6
Continuous currents of water
7
The area drained bya a river and all its tributaries and underground springs that flow into it.
8
They are small lakes.
9
They are inland bodies of still water.
