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Answer :
Final answer:
The types of subsurface mining are room and pillar mining, long wall mining, and strip mining.
Explanation:
The types of SUBSURFACE mining include room and pillar mining, long wall mining, and strip mining. In room and pillar mining, tunnels are constructed and pillars of coal or ore are left to support the roof. In long wall mining, a wall of coal or ore is extracted along a straight line, leaving spaces behind for the roof to collapse. Strip mining involves removing layers of soil and rock to expose a seam of coal or ore below the surface.
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