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A worm cast is a structure created by worms, typically on soils or sand such as those found on beaches. They are formed when worms process sediment while burrowing and expel the material at the surface, producing small piles, coils, or pellets of sand or soil. Worm casts often appear as small mounds that may resemble multiple worms emerging from the ground. The presence of worm casts can indicate the location of one

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