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What is the function of tunnels and passageways in subsurface mining? a. to reach mineral ore deep below the surface of the earth b. to reach mineral ores on the surface of the earth c. to drain underground
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What is the function of tunnels and passageways in subsurface mining?

a. to reach mineral ore deep below the surface of the earth
b. to reach mineral ores on the surface of the earth
c. to drain underground lakes where minerals are found
d. to create strip mines and quarries below the surface of the earth

User Mesha
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ANSWER: b. to reach mineral ores on the surface of the earth
User Josef Korbel
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Answer: to reach mineral ores on the surface of earth

Step-by-step explanation:

User Barron
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