Question

What is Brownian motion
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Answer 1

the erratic random movement of microscopic particles in a fluid as a result and continuous bombardment from molecules of the surrounding medium

Answer 2

This refers to the random and erratic movement of microscopic particles that are suspended in any fluid, like water or oil. Brownian motion is the result of the impact of the random bombardment of microscopic particles by the variety of fast-moving molecules that constitute the fluid.

Step-by-step explanation: