Acid mine drainage is the outflow of acidic water from metal or coal mines.
Correct Answer:
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Q39: Shaft and slope mines are associated with
Q40: Subsurface mining may be accomplished using:
A)shaft mining
Q41: Soil is composed of:
A)mineral particles
B)organic materials
C)air
D)all of
Q42: The Surface Mining Control and Reclamation Act
Q43: What would be the MOST LIKELY reason
Q45: Why does this soil have no O-horizon?
Q46: _ is the detailed mapping or charting
Q47: _ is land that has been degraded
Q48: Which of the following is NOT an
Q49: In soil formation, the parent material provides:
A)humus
B)minerals
C)water-holding
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