| A | B |
| deflation | wind erosion that removes loose clay or sit. |
| abrasion | a type of erosion caused by wearing or scraping. |
| loess | a thick deposit of fine, wind-eroded sediments. |
| glacier | snow and ice that move downhill due to the weight. |
| plucking | fragments that are brocken off and carried away. |
| till | a mixtuer of boulders deposited by a glacier. |
| moraine | unsoted rock and soil bulldozed ahead ant to side of a glacier. |
| erosion | it wears away the surface and move from one place to another. |
| deposition | the final step in erosion. |
| massmovement | gravity cause loose materialsto move downslope. |
| slump | loose rocks that moves downhill. |
| creep | a type of mass that move down a hill slowly. |