A. Mixture of helium and oxygen
B. Mixture of neon and oxygen
C. Mixture of neon and nitrogen
D. Mixture of argon and oxygen
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A. Mixture of helium and oxygen
B. Mixture of neon and oxygen
C. Mixture of neon and nitrogen
D. Mixture of argon and oxygen
Answer: A. Mixture of helium and oxygen Mixture of helium and oxygen is a life saving mixture.
Answer: A. Mixture of helium and oxygen
Mixture of helium and oxygen is a life saving mixture.
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