The Types Of Erosion

Question 1

Abrasion

Answer 1

Sand and stones in the river scrape the bed and banks and wear them away

Question 2

Attrition

Answer 2

Rocks and stones knock together and wear each other away

Question 3

Hydraulic action

Answer 3

In a fast flowing river water is forced into cracks in the bank. Over time, it breaks up sides of the bank

Question 4

Solution

Answer 4

Water also dissolves soluble minerals from the bed and banks this helps break them up