Types of Erosion

Question 1

Hydraulic Action

Answer 1

Water’s force removes loose material.

Question 2

Abrasion

Answer 2

Rocks in riverbed erode against banks via sandpaper-like action.

Question 3

Solution

Answer 3

Acidic river dissolves certain rocks.

Question 4

Attrition

Answer 4

Stones collide, break down, becomes smaller and rounder.