Environmental

Kentucky's coal mining regions may have properties affected by acid mine drainage. This environmental issue occurs when:

ACoal dust is deposited on agricultural land
BSulfide minerals in coal mines oxidize and create acidic water✓ Correct
CCoal combustion creates ash deposits near homes
DMining operations pump water into residential aquifers

Explanation

Acid mine drainage (AMD) occurs when sulfide minerals (particularly iron pyrite) in coal and surrounding rock are exposed to air and water during mining, creating sulfuric acid. This acidic water can contaminate streams and groundwater, affecting water quality in Kentucky's coal-producing regions.

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