A common cause of vehicle crashes is...
OA) operating a vehicle at an unsafe speed.
OB) making an improper turn.
OC) a violation of the right-of-way rules.
OD) All of the above are correct
OA) operating a vehicle at an unsafe speed.
OB) making an improper turn.
OC) a violation of the right-of-way rules.
OD) All of the above are correct