If an object is stationary the forces acting upon unbalanced, weak, or

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.