Which title would be more descriptive for the graph

Me with these questions if you’re it sure don’t answer

What form of anesthetic was used for field surgery

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.