Multiple Choice
Subsurface mining is used for which of the following?
A) the top of a fairly deep ore deposit found close to the surface
B) a deposit deep underground or in a mountainous area
C) sediment containing heavy metals
D) a deposit seam close to the surface and fairly horizontal
E) both the top of a fairly deep ore deposit found close to the surface and a deposit seam close to the surface and fairly horizontal
Correct Answer:
Verified
Correct Answer:
Verified
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