Acid mine drainage occurs when ____.
A) mines use acid to clean equipment
B) acid is used to remove rare earth minerals from mines
C) acid is used to detect low grade mineral ores
D) naturally-occurring acids are uncovered during the mining process
E) rainwater seeps through spoils piles and produces sulfuric acid
Correct Answer:
Verified
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A) uses recycled material
Q35: Depletion time is the time it takes
Q37: Why does subsurface mining have less of
Q38: The majority of the earth's rare earth
Q39: The time it takes to use up
Q40: Waste soil and rock removed during surface
Q41: Each year,scientists measure the magnitude of how
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