using a gasoline engine requires what?
electricity no ignition carbon dioxide easy ignition difficult ignition no gasoline hydrogen and oxygen adding heat
A B C D E F G H
Gasoline ignites easily and burns vigorously.
using a gasoline engine requires easy ignition
using a gasoline engine requires what? (A) electricity (B) no ignition (C) carbon dioxide (D) easy ignition (E) difficult ignition (F) no gasoline (G) hydrogen and oxygen (H) adding heat