- #1
Arctic Fox
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- 0
How much oxygen is absolutely required for the human body to survive?
If it depends on time, how about for 6 months, until the original O2 levels are back.
Earth is at, what, 23%? Could we survive on 8% for six months?
If it depends on time, how about for 6 months, until the original O2 levels are back.
Earth is at, what, 23%? Could we survive on 8% for six months?