River Processes

Question 1

E- hydraulic action

Answer 1

Water forces the air into cracks in the river bed and banks

Question 2

E- Abrasion

Answer 2

When the load carried by the river repeatedly hits the bed or banks dislodging particles into flow of river

Question 3

E- Attrition

Answer 3

When stones carried by river knock against each other gradually making the stones smaller and less rounded

Question 4

E- Solution

Answer 4

When the river flows over limestone or chalk the soluble rock is slowly dissolved