Which of the following describes the embryonic period

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.

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

Diffusion and osmosis are forms of passive transport