Question

Difine diffusion in one or two lines ?

Answer 1

Explanation:

Diffusion is a physical process that refers to the net movement of molecules from a region of high concentration to one of lower concentration. The material that diffuses could be a solid, liquid or gas. ... One of the main characteristics of diffusion is the movement of molecules along the concentration gradient

Answer 2

Answer:

it has tendency to move freely in gas of gasfor example when we open a bottle of perfume in a room it will spreading whole room