Answer:
My guess would be H₂O/ water, since osmosis is a form of passive transport and I can't see the model the question references. Gases like O₂/ oxygen, CO₂/ carbon dioxide, and simple sugars like glucose can also pass through a cell membrane with passive transport though.
Answer:
1. B
2. B
3. A
Sorry if any of these are wrong
Layering.
Hope this helps (:
-Payshence xoxo
I think bread; i’m 90% sure
