sentence2_structure: Diffusion<>is<>the process in which a substance naturally moves from an area of higher to lower concentration$$$a substance<>naturally moves<>from an area of higher<>to lower concentration<>the process
sentence1: Exercise 2 Diffusion of Red Food Coloring in Water Powerful Idea Diffusion Diffusion is the movement of molecules through a liquid or gaseous medium from an area of high concentration to an area of low concentration due to the kinetic energy of the molecules.
sentence2: Diffusion is the process in which a substance naturally moves from an area of higher to lower concentration.
question: What is the process in which a substance naturally moves from an area of higher to lower concentration called?