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Sedimentation

SEDIMENTATION

The process of separating insoluble solids suspended in a liquid by allowing them to settle down is called sedimentation.

Mud settles down when muddy water is kept for a long time.
Tiny pieces of straw, leaves and other lighter impurities float at the surface of the muddy water.
The water, which contains these impurities, is then poured out and discarded.