Explain flotation ???????
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Flotation, in mineral processing, method used to separate and concentrate ores by altering their surfaces to a hydrophobic or hydrophilic condition—that is, the surfaces are either repelled or attracted by water. ... Flotation has now become the most widely used process for extracting many minerals from their ores.
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Explanation:
the process of selling shares in a company to the public for the first time in order to obtain money
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