AP Environmental Science Quiz
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LAND AND WATER USE
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A mine uses heap leaching on a slope during heavy rains. Which best describes the primary concern?
A
Runoff can transport leachate containing acids or metals to surface waters, so containment berms and stormwater controls are critical.
B
Heap leaching eliminates runoff by absorbing all rainfall, increasing infiltration and preventing any surface-water contamination risk.
C
Heavy rains dilute all contaminants to zero concentration, making water quality impacts impossible regardless of site design.
D
The main concern is increased ozone formation from wet rocks, which damages crops far more than any water pollution.
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