Which one of the following methods is used to take out minerals lying near the surface

Which one of the following methods is used to take out minerals lying near the surface of the earh?
(a) Shaft mining
(b) Open-cast mining
(c) Quarrying
(d) Drilling

Anurag Mishra Professor Asked on 23rd February 2016 in Social Study.
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  • 1 Answer(s)

    b: open-cast mining

    meenusapra Default Answered on 25th February 2016.
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