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Why are pebbles round?

Category: Question and Answer Updated: 2019/10/14 Views  Views: 303       Likes  Likes: 37

Reference Answer

Water and sand polish small rocks into smooth, round shapes. The tumbling of rocks due to water currents also plays a major part. Such pebbles are not spherical, but usually resemble oblate ellipsoids. The pebbles on the sea beaches are on average, flatter than those found in rivers and streams.

Pebble Stone

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