Explain the formation of a glacial trough

Geography

1 answer:

nata0808 [166]3 years ago

3 0

Answer:

The formation of a glacial trough involves two processes abrasion and plucking. Abrasion is when pieces of debris in the glacier wear away at the rocks below, a bit like sandpaper. The sharper rocks in the ice can also cause scratches in the rocks called striations.

Explanation:

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