MCQOPTIONS
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| 1. |
Which of the following is the most chemiscally polluted |
| A. | Dzerzhinsk (Russia) |
| B. | La Oroya (Pera) |
| C. | Linfen (China) |
| D. | Sun gayit (Azerbanjan) |
| Answer» B. La Oroya (Pera) | |