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No. We would be fine for a little while, but "live on" implies long term, so no, we can't.

Our bodies are accustomed to breathing a mixture of 21% oxygen, the remainder being almost all nitrogen. Breathing 100% oxygen at normal pressure (1 atmosphere) will cause serious problems, most notably a buildup of fluid in the lungs. Long term this would likely be fatal. Reducing the pressure helps alleviate these symptoms, but may well also have long term deleterious effects.

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13y ago

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