HELP! :/

What happens to H+ ions after they have powered the ATP synthase?

The distribution of related animals and plants across the world

Scientists discover two populations of mice on either side of a major river. the two populations have almost identical genes but the mice from one side cannot breed with mice from the other. this is most likely because

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone