Pl
teens naturally fall asleep later and wake up later than younger children do.

true

false

Is snow a type of precipitation? explain why or why not.

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.

What material did the moon come from?