Question

Settling of sand when a mixture of sand and water is left undisturbed for some time

Answer 1

Answer:

Explanation:

The sand will be settled down for forever if not disturbed, but if disturbed then the sand will come up and down up and down.

Answer 2

When mixture of sand and water is left undisturbed, the sand settle at the bottom of water, thus this is the process of sedimentation. (g) Fine beam of light entering through a small hole in a dark room, illuminates the particles in its path