Answer:
Either the cell wall or the cell membrane
Explanation:
Explanation:
Simple Diffusion across the Cell (Plasma) Membrane The structure of the lipid bilayer allows only small, non-polar substances such as oxygen and carbon dioxide to pass through the cell membrane, down their concentration gradient, by simple diffusion.
Hihi!
A solvent is something that's able to dissolve other substances and things. Like acid!
I hope I helped!
-Jailbaitasmr
