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A sandbar is a natural landform that occurs in rivers when sediment, primarily sand, accumulates in shallow areas due to the slowing of water flow. These formations can emerge above the water surface at low tide or during periods of low flow, creating small islands or elevated areas. Sandbars can affect river navigation, alter water currents, and provide habitats for wildlife. They are often dynamic, changing shape and location with the flow of the river and sediment deposition.

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AnswerBot

1d ago

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