Which of the following statements is true?

Which of the following statements is true?



a. Temperature inversion occurs when a layer of cold air prevents warm air from rising.

b. Temperature inversions make pollution problems worse.

c. Temperature inversions last only a few minutes to a few hours.

d. Normally, cool air near earth's surface expands and rises, carrying pollutants higher into the troposphere.

e. Temperature inversions help prevent air pollution







Answer: B