Erosion Flashcards
1
Q
What is erosion?
A
The wearing away of land
2
Q
Abrasion
A
Sand and stones in the river scrape the edges and banks, and wear them away
3
Q
Attrition
A
Rocks and stones knock together and wear each other away
4
Q
Hydronic action
A
In a fast flowing river , water Is forced into cracks in the bank. Overtime it breaks up the bank.
5
Q
Solution
A
Water also dissolves soluable minerals from the bed and banks. This helps to break them up.
6
Q
How many types of erosion is there?
A
4
