As the concentration of molecules outside a cell increases, more molecules will enter the cell because--

of diffusion

Explanation:

Molecules move down a concentration gradient without the need to use energy. This means they move from a high concentration to a low concentration. This occurs across a semi-permeable membrane, like the cell membrane, by simple diffusion.

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.

the answer is b. glad to .