MCQOPTIONS
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MCQOPTIONS
| 1. |
THE_POLLUTANT_MOSTLY_RELEASED_BY_AUTOMOBILES_IS?$ |
| A. | CO |
| B. | CO<sub>2</sub> |
| C. | O<sub>3<</sub> |
| D. | CH<sub>4</sub> |
| Answer» B. CO<sub>2</sub> | |