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a friend got this to try for sample.. but it does not have an expire date..<br />
<a href="https://en.wikipedia.org/wiki/Liquid_Oxygen_(supplement)" rel="ugc">https://en.wikipedia.org/wiki/Liquid_Oxygen_(supplement)</a><br />
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is an expire date relevant to this product?<br />
(if it is time dependent stuff, then I can ask him to pitch it and worth trifling with)
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a friend got this to try for sample.. but it does not have an expire date..
https://en.wikipedia.org/wiki/Liquid_Oxygen_(supplement)

is an expire date relevant to this product?
(if it is time dependent stuff, then I can ask him to pitch it and worth trifling with)

Liquid_Oxygen (would this have expiry date?)

The Math / Science topic primarily includes discussions of mathematics, physics, statistics and economic analysis, but also biology, chemistry and other sciences.

Math / Science

A miscellany is defined as a "collection of various pieces of writing by different authors", but it has come to mean something "Of items gathered or considered together of various types or from different sources" or "a collection or group composed of members or elements of different kinds". The word "miscellaneous" comes from the Latin word "miscere", meaning "to mix." You might have heard the expression "a mixed bag," which applies when you don't quite know what you're going to get. More commonly, a miscellaneous group is made up of an odd group of things that don't fit anywhere else.