erosional proccesses Flashcards
1
Q
hydraulic action
A
when air is compressed into a river bank, causing materials to become dislodged
2
Q
solution
A
when soluble rocks reacts with acids in the water
3
Q
abrasion
A
when an angular rock embedded in the ice grinds a hollow
4
Q
plucking
A
when ice freezes into bedrock, pulling loose rocks away from the back wall, causing erosion
5
Q
swash
A
where waves, driven by prevailing winds, push material like wood up to the beach at an angle
6
Q
freeze thaw weathering
A
when water hidden in cracks of a rock freezes, expanding and contracting, weakening the rock untill fragments break off
7
Q
returning backwash from swash
A
when material on the beach is dragged back down to the beach at right angles
