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What percent oxygen can humans breathe 2024?

Noah Thompson | 2023-06-06 13:40:25 | page views：1196
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Benjamin Lopez

Works at the International Air Transport Association, Lives in Montreal, Canada.
Human beings must breathe oxygen . . . to survive, and begin to suffer adverse health effects when the oxygen level of their breathing air drops below [19.5 percent oxygen]. Below 19.5 percent oxygen . . . , air is considered oxygen-deficient.Apr 2, 2007
2023-06-11 13:40:25
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Isabella Rivera

QuesHub.com delivers expert answers and knowledge to you.
Human beings must breathe oxygen . . . to survive, and begin to suffer adverse health effects when the oxygen level of their breathing air drops below [19.5 percent oxygen]. Below 19.5 percent oxygen . . . , air is considered oxygen-deficient.Apr 2, 2007
04/02/2007 - Clarification of OSHA's requirement for breathing air to ...
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