GED Science Practice

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What process involves removing unwanted hair by passing an electric current through the hair root?

  1. a flow of electricity through a conductor

  2. removing superfluous or unwanted hair by passing an electric current through the hair root

  3. any of several complex proteins that act as catalysts in specific biochemical reactions

  4. the mechanical process of wearing or grinding something down

The correct answer is: removing superfluous or unwanted hair by passing an electric current through the hair root

A A flow of electricity through a conductor could be describing conductive electricity, which is not specific to hair removal and does not mention passing through the hair root. C: Enzymes, which are proteins that act as catalysts, are not related to hair removal or the passing of electric current through hair roots. D: The mechanical process of wearing or grinding something down is not specific to hair removal and does not mention the use of electric current.

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