Erosion Flashcards
1
Q
What’s erosion
A
The wearing away of the land
2
Q
4 types of erosion
A
Abrasion
Attrition
Hydraulic action
Solution
3
Q
Abrasion
A
Sand and stones in the river scrape the bed and banks and wear them away
4
Q
Attrition
A
Rocks and stones knock together and wear each other away
5
Q
Hydraulic action
A
In a fast flowing river, water is forced into cracks in the bank over time it breaks up the bank
6
Q
Solution
A
Water dissolves soluble minerals from the bed and banks. This helps to break them up
