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| 1. |
According to a global compilation of PM 2.5 particulate pollution data by IQAir, what is the rank of India in terms of most polluted countries in 2019? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| E. | 6 |
| Answer» E. 6 | |