Which of the following is true about the air quality index?
A. It indicates the color of air
B. It predicts ozone levels in area
C. It determines the intensity of sound pollution
D. It estimates sulfur content in the air
Answer:B
Which of the following is true about the air quality index?
A. It indicates the color of air B. It predicts ozone levels in area C. It determines the intensity of sound pollution D. It estimates sulfur content in the air