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1) to make something smooth or shiny, or become smooth or shiny, by rubbing with something 2) to remove the outer layers of brown rice to make white rice by rotating the grain in a drum 3)to make something more refined, elegant, or complete, or become more refined, elegant, or complete

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Beulah Skiles

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What is happening when rocks are pitted or polished by windblown sediments?

When rocks are pitted or polished by windblown sediments, it is a process known as abrasion. The sediments carried by the wind act as abrasives, wearing down the surface of the rocks over time. This can result in a smoother, polished look or create pits and grooves on the rock surface.


What causes bedrock to appear scraped and polished?

Bedrock appears scraped and polished due to the abrasive action of moving glaciers or flowing water. These agents erode the surface of the bedrock, smoothing and polishing it over time. The rocks and sediments carried by glaciers or rivers act as tools that grind away at the bedrock, creating the polished appearance.


How are rocks polished?

Rocks are polished by using a series of abrasives with progressively finer grit, typically starting with coarse grit and moving to finer grit sandpapers or polishing compounds. The rock is rubbed against these abrasives in a tumbling machine or by hand until the desired level of smoothness and shine is achieved. Finally, a final polish is applied to bring out the luster and enhance the appearance of the rock.


A rare valuable mineral that can be cut and polished to give it a beautiful appearance?

One example of such a mineral is diamond, known for its brilliance and hardness. When cut and polished, diamonds exhibit a stunning play of light due to their high refractive index. This makes them highly sought after for use in jewelry and other luxury items.


What produces the scraping action that often causes a polished look on solid rock over which a glacier has moved?

Glacial abrasion is the process responsible for the scraping action that creates a polished look on solid rock as a glacier moves over it. This occurs when rocks embedded in the base of the glacier grind against the underlying bedrock, smoothing and polishing it. The fine rock powder produced during this process is known as rock flour.