Question
Describe the process of Abrasion in glacial erosion.
Answer
- Rocks materials frozen in the moving ice are dragged over the rocky floor and on the rocky sides of the glacial valley.
- The rocks grind and scratch the rocks on the floor and the sides of the gravel valley.
- The rocks grind and scratch the rocks on the floor and the sides of the valley.
- This wears and polishes the rocks on the valley bottom and valley sides in a process known as abrasion.
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