What is a critical difference between surface and subsurface mining?
A)Surface mining is more expensive than subsurface mining
B)Surface mining is above ground; subsurface mining is below ground
C)Surface mining causes less environmental damage than subsurface mining
D)Subsurface mining creates acid mine drainage; surface mining does not
E)Subsurface mining has the potential for dangerous landslides; surface mining has the potential for cave-ins

Question

Quizplus · Accepted Answer

Surface mining involves extracting minerals and ores that are near the earth's surface, whereas subsurface mining involves extracting materials from beneath the earth's surface. This fundamental difference in location defines the two methods.

What Is a Critical Difference Between Surface and Subsurface Mining