Topic
quicksand.
colloid hydrogel consisting of fine granular material, clay, and water
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About quicksand
Quicksand, also known as sinking sand, is a colloid consisting of fine granular material and water. It forms in saturated loose sand when the sand is suddenly agitated. When water in the sand cannot escape, it creates a liquefied soil that loses strength and cannot support weight. Quicksand can form in standing water or in upward flowing water. In the case of upward-flowing water, forces oppose the force of gravity and suspend the soil particle.
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