25. Complete the chart by describing the function and structure in each cell

Apatient is in need of hydration. which type of solution are the patient's cells most likely in?

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.

Why do we perceive objects as retaining their brightness under different lighting levels?