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Oxygen deficient atmospheres have less than what concentration of oxygen? a) 15.5 % b) 19.5% c) 23.5% d) 26.5%
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Oxygen deficient atmospheres have less than what concentration of oxygen?

a) 15.5 %
b) 19.5%
c) 23.5%
d) 26.5%

User Pulkit Mittal
by
8.1k points

1 Answer

4 votes
The answer is b, 19.5%
User Herrmarek
by
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