The acacia tree provides ants with nest sites, carbohydrates and protein in return for defense by the ants. this relationship is an example of what type of relationship?

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 type of plant is good for a bioassay and where can i buy it? i only have a month.

Which of the following human activities resulted in the growth of the north american deer population?