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What are the applications of cryogens

Answer» <p>In physics,cryogenicsis the production and behaviour of materials at very low temperatures. ... It is not well-defined at what point on the temperature scale refrigeration ends andcryogenicsbegins, but scientists assume a gas to becryogenicif it can be liquefied at or below −150 °C (123 K; −238 °F)</p> <p>thanks bro</p>


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