Why is oxygen mixed with helium is used by deep sea divers?
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2
Answer:
I dont know yu can check on google
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1
Answer:
The 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.
Explanation:
due to change in sudden pressure of outside environment to inside our body blood form clot or organ damage
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