Match the term with the most appropriate description.?
A. ?the use of machines to dig large pits for removal of metal ores, sand, gravel, or stone
B. ?extraction of mineral deposits that lie in large horizontal beds on flat terrain
C. ?used to mine coal and various mineral resources on hilly or mountainous terrain by cutting a series of terraces into the side of the hill
D. ?explosives are used to remove the upper part of the terrain to expose seams of coal
E. ?underground mineral resources are removed through tunnels and shafts
A. ?open-pit mining
B. ?area strip mining
C. ?contour strip mining
D. ?mountaintop removal
E. ?sub-surface mining
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