2. in the stable food chain shown below, what would you expect to happen initially if you were to suddenly double the population of rabbits? a. the populations of the other three species would also increase. b. the populations of the other three species would decrease. c. the grass population would decrease. the snake population and hawk population would increase. d. the grass population and hawk population would decrease. the snake population would increase.

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.