MCQOPTIONS
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| 1. |
When was the first International Day of Clean Air celebrated for Neil Gagan? |
| A. | 6 September 2020 |
| B. | 7 September 2020 |
| C. | 4 September 2020 |
| D. | 2 September 2020 |
| Answer» C. 4 September 2020 | |