I think the correct answer from the choices listed above is option 3. The term that correctly identifies the process by which molecules move through the dialysis tube membrane would be diffusion. <span>The molecules move from a region where they are in high concentration to a region where they are in low concentration.</span>
Like you might have studied. Heated hair expands while colder air contracts. So, the sound isn't able to move as efficiently in cold air than it would in warmer air.
