why it is not wothwhile to mine some minerals
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Minerals are not so hard to find but are sometimes difficult to expoil because they have to be mined , refined and Tranpoerted before they can be used . Before a mineral is mined , a study has to be made to find out if it is worth mining or not .
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Minerals are not so hard to find but are sometimes difficult to expoil because they have to be mined , refined and tranpoerted before they can be used . Before a mineral is mined , a study has to be made to find out if it is ...
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