Marine Processes

Question 1

Abrasion

Answer 1

Erosion-the scraping, scouring or rubbing action of materials being carried by moving features such as rivers, glaciers or waves, which erode rocks

Question 2

Attrition

Answer 2

Erosion-A reduction in the size of material

Question 3

Solution E

Answer 3

Erosion- a type of erosion that involves rock being chemically changed such that it is taken into solution and removed

Question 4

Hydraulic action

Answer 4

Erosion- an erosive process which involves the pressure of water hitting a surface, compressing air in any cavities which exist, resulting in the removal of rock fragments over time.

Question 5

Suspension

Answer 5

Transportation- fine, light material is carried along by the river

Question 6

Solution T

Answer 6

Minerals are dissolved in the water, this is a chemical change

Question 7

Traction

Answer 7

Transportation- large boulders and rocks are rolled along the river bed

Question 8

Saltation

Answer 8

Transportation- small pebbles and stones are bounced along the river bed