MCQOPTIONS
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| 1. |
World\'s worst radioactive pollution was caused by nuclear reactor disaster which occured in |
| A. | Chernobyl (undivided U.S.S.R.) |
| B. | Arizona (U.S.) |
| C. | Moscow (U.S.S.R.) |
| D. | Pensylvania (U.S.) |
| Answer» B. Arizona (U.S.) | |