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What is extracted from rock by heap leaching, flotation, or smelting?

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asked Jan 6 in Science by LanoraRodger (390 points)

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answered Jan 6 by EbonyLeeson (510 points)

ore

Ore is extracted from rock by heap leaching, flotation, or smelting.

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What is extracted from rock by heap leaching, flotation, or smelting?

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