they form by god backing them into round things so that Adam and eve could make fire with the stones and then namd them pebbles and they wemt to the seashore
They get picked up and banged against other pebbles and this action knocks the high spots off, making them smooth.
Tumbling in abrasives. Naturally this occurs in the sandbed of a stream or river. Artificially this occurs in a rock tumbler filled with pebbles, abrasive powder, and water.
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polishing
Its a bit of both but I think it's hard
black sand is actually very smooth and soft. its pretty much like regular sand (roughness wise) but its a bit rockier, like holding sand and grinded pebbles
rough yet smooth
smooth not very rough
He claimed the Moon was not smooth-surfaced, but uneven and rough.
it will become rough because it scraped against the other rocks wearing it away
rough coarse bumpy irregular jagged uneven
Rough with the Smooth was created in 1995.
polishing
The difference between rough and smooth is the texture. Rough things have a bumpy, abrasive texture. Smooth things have are not rough.
Lining of your intestine is not smooth. Nature has adapted various methods to increase the surface area of the intestine. The surface has become grossly uneven due to this factor. The surface area of the small intestine is about 2750 square feet. That is why the surface becomes rough, although the lining is made of very soft epithelium.
Its a bit of both but I think it's hard
glaciers can be smooth and rough depends on how their formed
steam with rough bark
The difference between rough and smooth is the texture. Rough things have a bumpy, abrasive texture. Smooth things have are not rough.
This is caused because the ovaries become fertile. There are different changes going on in our reproductive system due to estrogen.