Question

Brownian motion is observed when looking at smoke particles in air using a microscope. What causes the smoke particles to move at random? A Smoke particles are hit by air molecules. B Smoke particles are moved by convection currents in the air. C Smoke particles have different weights and fall at different speeds. D Smoke particles hit the walls of the container.

Answer 1

Hey Mate!!!

Option A is correct

Answer 2

Option A is the correct answer