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1. |
According to AQI's Air Quality and Pollution City Tracking Service, which 03 cities in India have featured in the 10 most polluted cities in the world? |
A. | Delhi, Kolkata and Mumbai |
B. | Kolkata, Mumbai and Chennai |
C. | Mumbai, Chennai and Jaipur |
D. | none of these |
Answer» B. Kolkata, Mumbai and Chennai | |