WHOEVER ANSWERS FIRST (and correctly) GETS BRAINLIEST

Which is a function of mucus in the lungs?

a. It carries carbon dioxide to the body cells.

b. It forms a thin tissue that lines the alveoli.

c. It traps particles such as dust and pollen.

Abeaker of water was heated and then placed on a bench in the laboratory. the water cooled until it was the same temperature as the air in the laboratory. which of these explains the mechanism by which the water cooled? a. heat energy was transferred from the water to the air. b. water molecules from the water formed warm water currents. c. the water molecules absorbed energy from the molecules in the air. d. the water released radiation until it contained no heat energy.