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.
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.
physical
Lipotropic agents are certain vitamins and nutrients that promote the flow of bile and fat from the liver
water, air, and gravity (rocks scrape against each other by the cause of gravity.)
The movement of abrasive particles, by either air or in water, would both be agents of mechanical weathering.
abrasion resistance is the resistance in abrasion
abrasion
abrasion
Particles of sand or dust rubbing across the surface of rocks is called abrasion.
no abrasion is a form of erosion
Abrasion is a Physical /Mechanical weathering .Abrasion is the process of wearing down or rubbing away.
Erosion is the process of the movement of materials from one place to another, and the four agents of erosion are ice, water, wind, and gravity. Two types of glacial erosion are plucking and abrasion
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