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What is liquid nitrogen used for?? plea\se help in schoool doing presentation?

by Guest21503  |  earlier

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What is liquid nitrogen used for?? plea\se help in schoool doing presentation?

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  1. It is used in medicine for "freezing" off the top layers of skin in the removal of warts.


  2. is it used medically to treat warts and other skins fungi's. it is so cold that it kills the infection and eventually it falls off

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