Look at the questions below and decide which is declarative.
A. What happens when gasoline is mixed with water?
B. What is the difference in volume between hydrogen, oxygen, and nitrogen gasses at different
pressures?
C. What is the escape velocity of an object on Earth?

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.