Diffusion
What is Diffusion ? Photo by Jill Burrow from Pexels Diffusion is the process of movement of molecules under a concentration gradient or in trouble-free words the difference in the concentration of a substance between two spots is known as the concentration gradient . . It is an important process occurring in all living organisms. Diffusion provides movement of substances in and out of the cells. The molecules move from an area of high concentration to an area of low concentration until the concentration turn out to be equal throughout. Diffusion happens in liquids and gases because their particles move randomly from place to place. Examples of Diffusion When we put a tea bag in a cup of hot water so that it is dipped completely, it diffuses into the water and the color of water changes....