Aman has an air conditioner he wants to load into the back of his truck. instead of lifting the air conditioner and carrying it to the truck, he improvises a ramp. he takes a board that is 3.6 meters long and places one end of it in the back of his truck, 1.2 meters off the ground. he leaves the other end of the board on the ground. he places the air conditioner on a dolly and pushes them both up the ramp and into the truck. what is the mechanical advantage of the ramp?
a)
2.5
b)
3.0
c)
4.32
d)
4.8

Chicken pox and hepatitis are bacterial diseases. true or false?

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

Read the scenario below and answer the question that follows. hallie is reading a novel in the library when susan, her best friend, slumps down in a chair next to her. susan doesn't say anything, but hallie knows that susan is upset because she is slumping in her seat and rolling her eyes. a psychologist would explain that hallie is interpreting her friend's emotion based on a. the behavioral component of emotion b. her friend's ability to regulate emotion c. the verbal component of emotion d. the physiological component of emotion select the best answer from the choices provided a b c d