How does combustion occur in a gas engine of a car? (1 point)

Oxygen and gasoline are compressed in the engine, and the fuel spontaneously ignites

Carbon dioxide and gasoline are compressed in the engine, and a spark plug ignites the fuel.

Carbon dioxide and gasoline are compressed in the engine, and the fuel spontaneously ignites.

Oxygen and gasoline are compressed in the engine, and a spark plug ignites the fuel

Oxygen and gasoline are compressed in the engine, and a spark plug ignites the fuel.