Question

What is Diffusion? answer briefly​

Answer 1

Diffusion is the mixing of gases with each other ,

$like \: the \: smell \: of \: hot \: food \: reaches \: to \: our \: nose \:$

it comes because the kinetic energy in food , mixes with air.

Answer 2

Answer:

Diffusion is the movement of a substance from an area of high concentration to an area of lower concentration . Diffusion occurs in liquids and gases when their particles collide randomly and spread out. Diffusion is an important process for living things - it is how substances move in and out of cells.