Wind and erosion is one weathering. erosion is the breaking down of rocks if you did not already know.
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Answer:
Gravity
Explanation:
Gravity is a postulate based upon a given factor of proven events, you can always rely on gravity to pull something downwards towards earth.
The statement about the rivers of the united states and Canada is :
A. the grand canyon was formed by the continous flow of the columbia river
I think it's because of colorado river, not columbia
hope this helps
Answer:
I would appreciate if my answer is chosen as a brainliest answer
