| A | B |
|---|
| Till | unsorted rocks and sediment left behind when a glacier melts |
| Glacier | a large mass of moving ice that forms on land and remains from year to year. |
| Erosion | the removal and transport of material by wind , water, and ice |
| Mechanical weathering | the breaking down of rocks by physical processes |
| Deflation hollows | soil depression scooped out by wind |
| Mass wasting | the downhill movement of loose rocks and soil caused by gravity |
| Ice wedging | The mechanical weathering process in which water in the cracks of rocks freezes and expands, widening the cracks |
| Chemical weathering | the breaking down of rocks by chemical processes |
