What happens during inhalation? a. the diaphragm and the rib cage return to their normal resting positions. b. the diaphragm contracts and moves down while the rib cage moves up and out. c. the diaphragm expands and moves up while the rib cage moves up and out. d. the diaphragm contracts and moves down while the rib cage moves down and in.

Grade 91.)the gravitational pull from the moon words).2.) what is the rate of gravitational 3.)if you drop a hammer, is it more likely to drop handle side down, head side down, or equal chance that it will land either way? why? 4.)a car moves 60km east and 90km west.a.) what is the distance the car traveled? b.) what is the car's displacement5.)what is the average velocity of a car that moved 60 km south in 3 hours? 6.) a car starts from rest and acceleration to 60 m/s over a time of 5 seconds. what is the acceleration of the car? 7.)what is the speed of an object at rest?