Powering an electrical device with a battery requires a path for electricity to flow through a closed circuit.
An electric circuit is a closed path for electron flow.
Powering an electrical device with a battery requires electron flow.
Electron flow allows a battery to do what?
Options:
  * power an electrical device
  * disconnect
  * move to different locations
  * heat is produced
  * matter vibrating
  * photosynthesis
  * fuel cell
  * preventing heat transfer