PLEASE HELPPPPP!!
A) Simple Diffusion
B) Concentration Gradient
C) Isotonic
D) Equilibrium
![PLEASE HELPPPPP A Simple Diffusion B Concentration Gradient C Isotonic D Equilibrium class=](https://us-static.z-dn.net/files/df4/da4f43c39a75140ef16c9e9f043e4c23.png)