Multiple Choice
The propagation cycle that occurs in acid mine drainage is caused by
A) reduction of Fe³⁺ by sulfuric acid.
B) the oxidation of sulfide to sulfuric acid by microbial oxidation of iron (Fe³⁺) .
C) microbial sulfate reduction.
D) low pH and high oxygen concentrations.
Correct Answer:
Verified
Correct Answer:
Verified
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