Question

Fill in the blank

Diffusion is the net movement of ________________ down their concentration gradient until ________________ is reached.

Answer 1

molecules, an equilibrium

Answer 2

Step-by-step explanation:

Diffusion is defined as the net movement of molecules from an area of greater concentration to an area of lesser concentration.

So the answer would be:

Diffusion is the net movement of molecules down their concentration gradient until an equilibrium is reached.