Final answer:
A safety scan is your best defense for avoiding hazards and other dangers. It involves frequently moving your head and your eyes to check what is happening around you. Drivers should do a shoulder check for their blind spots and keep checking their rearview and sideview mirrors.
Step-by-step explanation:
A safety scan is your best defense for avoiding hazards and other dangers. It involves frequently moving your head and your eyes to check what is happening around you. This means that drivers should do a shoulder check for their blind spots and keep checking their rearview and sideview mirrors.