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Which of the following is a heavy metal water pollutant? A. Nickel B. Arsenic C. Both A and B D. Phosphorus |
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Answer» Correct Answer is: B. Arsenic Examples of heavy metals include lead, mercury, cadmium, sometimes chromium. Less commonly, metals including iron, copper, zinc, aluminum, beryllium, cobalt, manganese and arsenic may be considered heavy metals. |
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