Grade 9 Denudation- work of river

Greatest agent of erosion, transportation and deposition.

• glacier

• wind

• river

The force of erosion depends on the

• gradient, volume of water, load of sediments , velocity of water.

• gradient

• volume

Erosion and deposition are ________ when _______is high.

• minimum, speed

• maximum, velocity

• medium, velocity

Deposition of sediments take place when velocity is ______.

• low

• high

• medium

The __________the volume of water the greater is the power of ______ and ______

• greater,erosion, transportation.

• lesser,erosion, transportation.

• minimum,erosion, transportation.

_______,______ and __________ depend on the load of a river.

• mass wasting, valleys,landforms

• mass , valleys,landforms

• mass writing, valleys,landforms

place of origin of river is called

• source

• mouth

• course

Place where the river enters the sea is called

• mouth

• course

• source

All the course of river is called _______of a river.

• origin

• profile

• source

Dominant activity of a river in the upper course is _______

• deposition

• erosion

• transportation