Correct option is A
The correct answer is (a) Three Mile Island nuclear disaster - Tokyo.
· The Three Mile Island nuclear disaster did not occur in Tokyo. It happened near Harrisburg, Pennsylvania, USA on March 28, 1979. It was a partial meltdown of a reactor at the Three Mile Island Nuclear Generating Station, which is considered one of the most serious accidents in the history of the American nuclear power industry.
Correct Context for Other Options:
· Nuclear Power Plant explosion - Chernobyl: This disaster occurred in Chernobyl, Ukraine (then part of the Soviet Union) on April 26, 1986. It is one of the worst nuclear disasters in history.
· Union Carbide Gas Leak - Bhopal: The Bhopal gas tragedy occurred on December 2-3, 1984, in Bhopal, India, when a gas leak from the Union Carbide India Limited (UCIL) pesticide plant exposed thousands of people to toxic methyl isocyanate (MIC) gas.
· Italian dioxin crisis – Seveso: The Seveso disaster happened on July 10, 1976, in Seveso, Italy, due to the accidental release of dioxin (TCDD) from a chemical plant, affecting the environment and local population.