Erosion

Question 1

What is corrasion?

Answer 1

Eroded rocks are picked up by the river scrape and rub against the channel

Question 2

What is attrition?

Answer 2

Eroded rocks picked up by the river smash into each other and break into smaller fragments, their edges also get more rinsed off as they rub together

Question 3

What is corrosion?

Answer 3

River water dissolves some types of rock e.g chalk and limestone

Question 4

What is hydraulic action?

Answer 4

The force of the water breaks rock particles away from the river channel