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Answer:
Glaciers cause erosion by abrasion and Plucking
The sediment deposited by glaciers is called Till.
When a chunk of ice left behind by a receding glacier melts, the water stays in the kettle, forming a Kettle Lake.
Explanation:
Glaciers cause erosion by abrasion and PLUCKING. The sediment deposited by glaciers is TILL. When a chunk of ice left behind by a receding glacier melts, the water stays in the kettle, forming a KETTLE LAKE.
- Abrasion happens when the underlying rocks become embedded in the base of the glacier.
- Plucking happens when the underlying rocks become frozen to the base of the glacier and they are plucked from the ground as the glacier is in motion.
- Glacial till is the unsorted glacial sediment derived from the erosion by the moving ice of the glacier.
- A kettle lake (also known as a pothole) is a depression formed by retreating glaciers and/or draining floodwaters.
In conclusion, glaciers cause erosion by abrasion and PLUCKING. The sediment deposited by glaciers is TILL. When a chunk of ice left behind by a receding glacier melts, the water stays in the kettle, forming a KETTLE LAKE.
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