Answer: I would say B and C.
Explination: Deposition is material deposited in a new spot. On points B and C, it appears the residue from the water would end up on those river banks.
In the stroma of the chloroplast is where the Calvin cycle enzymes are located.
Answer:
the enzymes have been denatured
Your body is preparing for a baby, if you become pregnant, your body needs that layer for a baby