Which of the following statements is most accurate?

A. Warm air sinks.

B. Warm air is less dense than cold air.

C. Warm air is denser than cold air.

D. Warm air exerts more pressure on the land than cold air.

Respuesta :

C. Warm air is less dense than cooler air. Air density varies with the relative humidity (amount of water vapor molecules in the air) along with temperature.)