Which factors help water rise upward in a plant xylem vessel? 1. cohesion between water molecules due to hydrogen bonding 2. adhesion between water molecules and the cellulose walls of xylem vessels due to hydrogen bonding 3. water being removed from xylem vessels in a leaf lowers the hydrostatic pressure in the xylem
- A1, 2 and 3
- B1 and 2 only
- C1 and 3 only
- D2 and 3 only