Fact 1: Powering an electrical device with a battery requires a path for electricity to flow through a closed circuit. Fact 2: An electrical current is a flow of electrons. Given the two facts above, powering a device with a battery requires a path for electrons to flow through ?

Available choices: A). electromagnetic energy. B). direct energy. C). rays or beams. D). hydrogen and oxygen. E). heat energy. F). a closed circuit. G). kinetic energy. H). an object.
The answer is:
F).