Which of the following safety devices ensures that electricity will flow through it when flowing "downhill" instead of through people? A. Surge protectors B. Electric generators C. Ground wires D. Special plugs for high-current devices​

How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.