1 goes to the bottom so the water on the surface of the earth is the hydrosphere 1 to d, and then 2 goes to the 2 option electrolyte so 2 to B and then 3 goes to the top option so a process used by plants is photosynthesis so 3 to A and then 4 goes to C a process used to make from water from saline is desalination so to recap 1 to D, 2 to B, 3 to A and 4 to C