18. for every action, there is an equal and opposite reaction.

a. newton’s first law

b. newton’s fourth law

c. newton’s second law

d. newton’s third law

Which graph best represents the relationship between the electric current and the rate at which a magnet is turning inside an electric generator?

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

Slab pull” is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere true or false