In rat-hole mining, which of the following minerals is mined?
Answer
The correct answer is D: Coal. Rat-hole mining is a method used primarily to extract coal by digging narrow tunnels, especially prevalent in regions like Meghalaya, India.
A.Bauxite
B.Gold
C.Nickel
D.Coal✓ Correct
Explanation
Rat-hole mining is a method used primarily to extract coal by digging narrow tunnels, especially prevalent in regions like Meghalaya, India.
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