Answer: plucking
Plucking is a type of glacier erosion.Plucking occurs when the ice around the broken rocks, gets displaced with the force exerted by the retreating glacier. The glacier ice plucks the freezed rocks away along with it during glacier erosion.
C is true.
A is definitely false, since photosynthesis does not occur in petals, but in the leaves (or the portions with green pigmentation)
B is unlikely, depending on which country/state the tap water is from. Anyway, water is more important than nitrogen for the plant to survive.
Hope this helps! :)
It is because, it acted by certain enzymes of pancreas and succus entericus. They brake down food into smaller particles