River Erosion: Formative Work-01

When soluble particles are dissolved into the river it is called:

• Corrasion

• Hydraulic action

• Attrition

• Corrosion

__________________________ erosion is downward erosion.

• Lateral

• Vertical

• Horizontal

• None of the above

Identify the following image.

• Rapids.

• Waterfalls.

• Pothole.

• Hydrograph.

When a river has greater energy, it has _________________ erosive power.

• more

• less

• equal

• none of the above

Abrasion is also known as _______________________________ .

• corrosion

• corrasion

• hydraulic action

• attrition