World's worst radioactive pollution was caused by nuclear reactor disaster which occured in ___________________?
Correct answer: B. Chernobyl (undivided U.S.S.R.)
- A. Arizona (U.S.A.)
- B. Chernobyl (undivided U.S.S.R.)
- C. Pennsylvania (U.S.A.)
- D. Moscow (U.S.S.R.)
Explanation
The Chernobyl reactor accident in 1986 released a vast amount of radioactive material across the former U.S.S.R. The Pennsylvania accident at Three Mile Island was serious but caused much less environmental contamination.
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