Biology, asked by shadabsids6666, 11 months ago

He is added to o2 used by deep sea drivers because

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Answered by mrkelvin

3

Answer:

Advantages of helium in the mix

The main reason for adding helium to the breathing mix is to reduce the proportions of nitrogen and oxygen below those of air, to allow the gas mix to be breathed safely on deep dives. ... A lower proportion of oxygen reduces the risk of oxygen toxicity on deep dives.

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