11
Question
In which mining ores are extracted from greater depths beneath the surface?
In which mining ores are extracted from greater depths beneath the surface?
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Solution
The correct option is D Underground
- Underground mining refers to various techniques used to excavate hard minerals, mainly those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds.
- Underground mining refers to various techniques used to excavate hard minerals, mainly those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds.
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