Question

The tendency of molecules to move toward areas of lower concentration is called _____.

Answer 1

Answer:

B: diffusion

Explanation:

Answer 2

The correct answer is B. The tendency of molecules to move toward areas of lower concentration is called diffusion. This happens when there is a concentration gradient. This is described by the Fick's laws of diffusion. Diffusion is the net movement of molecules from a higher concentration to lower concentration to achieve equilibrium.