Question

define diffusion and its types

Answer 1

movement of molecules from higher concentration to the lower concentration when both are kept in contact is known as diffusion.

their are two types of diffusion -

passive diffusion
faciliated diffusion.

         hope this helps u.....

Answer 2

Movement of molecules from higher concentration to lower concentration is called diffusion
types of diffusion
passive diffusion
facilated diffusion
hope it helps u