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OpenStudy (anonymous):
which one following components of air is least necessary for life on earth?
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OpenStudy (shrutipande9):
hi! welcome to openstudy! can u 1 st tell me all d components of d air?
OpenStudy (anonymous):
Argon.
OpenStudy (petiteme):
There are five major components of air: nitrogen, oxygen, water vapor, argon, and carbon dioxide.
OpenStudy (petiteme):
Welcome to OpenStudy! ^_^ So among the five components of air I'd say it's argon :)
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