An open-pit iron mine has been abandoned for several years. Before they left, the miners filled in the pits with soil that included tailings and other iron containing waste products from the mine's productive years. Which of the following hazards do the pits most likely pose to the surrounding environment?
Acid mine drainage
Cyanide leaching
Increased carbon emissions
I only
II only
III only
I and III only
Answers: 3
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An open-pit iron mine has been abandoned for several years. Before they left, the miners filled in t...
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