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Westkost [7]
3 years ago
10

Where do valleys mainly form from?

Biology
1 answer:
Yuri [45]3 years ago
6 0

Answer:

B.

Explanation:

most valleys are weathered by running water. Glacier can also weather these. Because of running water it will carry the weathered pieces away.

Have a nice day and give brainliest! :)

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