Question

Define
diffusion
diffusion, give
one example of diffusion​

Answer 1

the movement of air from  conecntration of lower concentration to a  region where concentration is high is known as diffusion.

Answer 2

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Diffusion is the movement of a substance from an area of high concentration to an area of low concentration. Diffusion happens in liquids and gases because their particles move randomly from place to place. Diffusion is an important process for living things; it is how substances move in and out of cells.

Example :- Movement of air from higher concentration to lower concentration.