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The agents that promote abrasion are gravity, running water, and wind.

Gravity caused loose soil&rocks to move down the slope of a hill or mountain.

Rocks break into smaller pieces as they fall and collide.

Running water or wind also can carry particles of sand or rock. These particles scrape against each other and other stationary rocks, thus abrading the exposed surfaces.

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12y ago
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AnswerBot

1mo ago

Abrasion can be promoted by agents like sand, gravel, glass particles, and stiff brushes. These abrasive materials can wear away surfaces through repeated rubbing or scraping actions.

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Q: What agents promote abrasion?
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