Question

what is underground mining and its disadvantages?

Answer 1

So, in these cases underground miningis more cost effective. The downside is that human health and safety are at greater risk from mine cave-ins, flooding from groundwater or sea water, methane explosions in coalmines, or failure of air ventilation equipment.

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Answer 2

So, in these cases underground miningis more cost effective. The downsideis that human health and safety are at greater risk from mine cave-ins, flooding from groundwater or sea water, methane explosions in coalmines, or failure of air ventilation equipment.
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