Discussion
Compounds of ______ cause Minamata disease.
Answer: A
Minamata disease is caused by compounds of Mercury.
It was identified in 1956 at Minamata in Japan, where a chemical factory discharged methylmercury into the bay. The methylmercury accumulated in fish and shellfish, and people who ate them suffered damage to the nervous system: numbness, loss of coordination, impaired vision and hearing, and in severe cases death. Children were born with the disease after exposure in the womb.
Cadmium causes itai-itai disease, a different Japanese outbreak. Cobalt is not linked to this disease, and fertilizers are not compounds of a single element; their run-off is associated with problems such as eutrophication and nitrate in drinking water.
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