下列三城市污染的原因是什么?答:Chernobyl, UKRAINE Type of pollutants: Uranium, Plutonium, Radioactive Iodine, Cesium-137, Strontium, and other metals La Oroya, PERU Type of pollutants: Lead, copper, zinc, and sulfur dioxide.Dzerzinsk, RUSSIA Type of pollutants: Chemicals and toxic byproducts from Cold War-era ...