Question

describe an example of river erosion


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Answer 1

Explanation:

One example of river erosion is the Grand Canyon which was formed by the Colorado River. Waves - Ocean waves can cause the coastline to erode. The shear energy and force of the waves causes pieces of rock and coastline to break off changing the coastline over time.

Answer 2

Answer:

Abrasion - When pebbles grind along the river bank and bed in a sand-papering effect. Attrition - When rocks that the river is carrying knock against each other. They break apart to become smaller and more rounded. Solution - When the water dissolves certain types of rocks, eg limestone.

Explanation:

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