Which of the following statements is true with regard to air?
A) Cold air can hold more water vapor than warm air.
B) Humid air is denser than dry air.
C) Warm air is less dense than cold air.
D) Water vapor in air can occupy up to 30% of air's volume.

Question

Quizplus · Accepted Answer

Warm air is less dense than cold air because the molecules in warm air move faster and spread apart, reducing the density.

Which of the Following Statements Is True with Regard to Air