Air quality is a measure of how clean or polluted the air is. Which of the following is a common way to obtain evidence about air quality?
Select one or more:
A. Measuring the number of air-related health issues people have
B. Measuring the temperature of the air
C. Measuring the amount of oxygen in the air
D. Measuring the amount of ground-level ozone
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Air quality is a measure of how clean or polluted the air is. Which of the following is a common way...
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