Which of the following is an environmental advantage of mining?
A) Mines can leave large pits in the ground that can be used for other purposes.
B) Crushing and pulverizing ore produces lots of powdery mill tailings.
C) Sulfide minerals in dumps, tailings, and mineralize rock contribute beneficial sulfur and other chemicals to water.
D) Smelters release sulfur-dioxide gas that can help neutralize alkaline soils.
E) None of these.
Correct Answer:
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