In order for mining of minerals to be substainable we will need to . . . . . . . .
A. Use minerals more efficiently
B. Find deeper deposits of rare metals
C. Consider that minerals are a non-renewable source, mining can not be substaninable
D. Develop efficient mineral extraction techniques
Answer: Option D
Related Questions on Metal Mining
A. Chip sampling
B. Channel
C. Bulk
D. Radio metre
The ore loaded in shrinkage stoping by . . . . . . . .
A. Over head mucker
B. Pneumatic Auto Loader
C. LHD
D. None
If the ore body is thicker, the level interval will be . . . . . . . .
A. More
B. Lessor
C. Stronger
D. Weaker
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