Might give brainliest What is the point where rivers change from broad, deep, and slow-moving to narrow and swift?
the fall line

the mountain ridge

the Piedmont plateau

the coastal plain

What is the difference between bacterial infections and viral infections?

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.

What substance acts to prevent sudden ph changes in bodily fluids?