Which of the following statements best assesses the significance of the Minamata disaster?

The Minamata disaster was caused by industrial wastewater containing mercury compounds that contaminated seawater and entered the food chain. It became an officially recognized case of industrial marine pollution in Japan. It was not an oil spill, an air-pollution incident, or a nuclear-radiation release, so the best answer is “the first officially recognized case of the industrial pollution of seawater.”

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