It takes a lot of energy to get the temperature of water to increase and eventually boil because water has a high heat.

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.

Explain why you think this diagram shows what happened to the carbon in the biodome.

Convection currents are caused by differences in what two things?