Answer:
They are the 1) Coastal Plain, 2) Piedmont, 3) Blue Ridge, 4) Ridge and Valley, and 5) Plateau.
While responding to an emergency call, if you encounter a school bus unloading students you should stop and wait for all children to cross the road safely.
Drivers must stop for school buses according to their state lawsand in a situation in which an emergency vehicle of any typeis approaching from the rear, the driver must pull as far to the right as possible and stop!
From my POV D is the answer
It takes three to four years to complete a bachelor's program
