What is Rat Hole Mining?
A. Mining in a place where there are lots of rats
B. Mining done by family members in the form of a long narrow tunnel
C. Mining that kills rats
D. None of the above
Answer:B
What is Rat Hole Mining?
A. Mining in a place where there are lots of rats B. Mining done by family members in the form of a long narrow tunnel C. Mining that kills rats D. None of the above