Processes of River Erosion

Question 1

Hydraulic Action

Answer 1

this results from the sheer force of moving water wearing away the river bed and banks, or waves wearing away at sea cliffs

Question 2

Abrasion

Answer 2

caused by rivers glaciers or waves picking up sediments and rubbing them against rocks in the bed and banks valley or cliffs

Question 3

Solution

Answer 3

the process where some rock minerals slowly dissolve in water, which is slightly acidic

Question 4

Attrition

Answer 4

a type of erosion where particles carrried by rivers or waves are worn down as they collide with each other, so they become smaller and rounded