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22 April, 22:54

An ore is a rock that contains which of the following? A. a mineral or metal with economic usefulness B. a gemstone only C. a mineral or metal with no practical use D. particles of rock that erode into sediment

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  1. 23 April, 00:04
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    I think the correct answer among the choices presented above is option A. An ore is rock that contains a mineral or metal with economic usefulness. Examples are copper ore, gold ore and iron ore. These ores are being extracted from the Earth by mining.
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