MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following pollutants are considered when measuring air quality? |
| A. | CO, O<sub>3</sub>, PM<sub>2.5</sub> |
| B. | NH<sub>3</sub>, PM<sub>10</sub>, Pb |
| C. | NO<sub>2</sub>, SO<sub>2</sub> |
| D. | All of the mentioned |
| Answer» E. | |