processes of erosion

Question 1

Hydraulic action

Answer 1

when the force of the water knocks particles off the sides (banks) and the bed of the river.

Question 2

Abrasion or Corrasion

Answer 2

rocks carried along by the river wear down the river bed and banks.

Question 3

Attrition

Answer 3

rocks being carried by the river smash together and break into smaller, smoother and rounder particles.

Question 4

Corrosion

Answer 4

soluble particles are dissolved into the river.