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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 | |