Question

Which term refers to the movement of molecules from an area of higher concentration to an area of lower concentration?

• A. active transport
• B. diffusion
• C. concentration
• D. collision

Answer 1

The correct option is B

diffusion

Molecules tend to move from an area of high concentration to an area of lower concentration. This process is called diffusion. This has verious applications in life processes, such as the exchange of gases in the lungs.