Some people argue that geothermal energy should be the main energy source for the united states. which argument could be used to dispute this idea?
a. geothermal power releases carbon dioxide.
b. geothermal power can be used only in certain areas.
c. geothermal power causes air pollution.
d. geothermal power is a nonrenewable resource.

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms