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Minamata disease first occurred in

  • A.Mexico
  • B.Morocco
  • C.Japan
  • D.India

Answer: C

Minamata disease first occurred in Japan.

It was identified in 1956 in the town of Minamata on Kyushu, where the Chisso chemical factory discharged methylmercury into Minamata Bay. The mercury accumulated in fish and shellfish, and people who ate them suffered severe nerve damage: numbness, loss of coordination, impaired speech and vision, and in many cases death. The disaster gave its name to the Minamata Convention on Mercury (2013).

Mexico, Morocco and India have had their own pollution problems, but Minamata disease is specifically the methylmercury poisoning first recorded in Japan.

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