Need rocky
during photosynthesis, the energy from sunlight is used to split water molecules. what happens to the hydrogen ions that are split from the water molecules?

a they flow out of the thylakoid, providing energy to add a phosphate group to adp.
b they build up in the thylakoid, providing energy to break apart atp molecules.
c they build up in the thylakoid, where they bond to each other to create atp.
d they flow out of the thylakoid, where they stimulate enzymes to break apart atp.