Powering what with a battery requires a path for electricity to flow?
closed energy complete vehicles engines a phone buses Cars
A B C D E F G H
Today's cellular phones are second-generation devices.
powering a phone with a battery requires a path for electricity to flow
Powering what with a battery requires a path for electricity to flow? (A) closed (B) energy (C) complete (D) vehicles (E) engines (F) a phone (G) buses (H) Cars