Question

The movement of dust particle is
(A) Uniform
(B) Circular.
(C) Oscillatory
(D) Random

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Answer 1

Answer:

Molecules in air are constantly moving and hitting the dust particles. Because the molecules are moving in many directions, they collide with the dust particles from different directions. This action causes the darting motion of the dust that you observe. Atoms and molecules are always in motion.

Answer 2

Answer:

UNIFORM

Explanation:

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