The shape of the path of a planet or asteroid around the sun is an

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.

Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance

What are the subsystem of the earth