Why helium is added to the oxygen supply used by sea divers?
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because pure 100% oxygen can burn your lungs...
that's why oxygen is mixed with other gases.
you know that our atmosphere consists of 78% nitrogen and 21% oxygen and other gases we breathe the mixed air.
that's why oxygen is mixed with other gases.
you know that our atmosphere consists of 78% nitrogen and 21% oxygen and other gases we breathe the mixed air.
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