Take a deep breath...enjoy it...it may not last... as the world burns, the machinery that makes the oxygen we breathe is going away.
The air we breathe contains about 20.9% oxygen.
The optimal O2 concentration for humans is 19.5% - 23.5%. But, what happens as the oxygen concentration goes down? sciencing.com/minimum-oxygen…
16-19.5%: mental impairment with physical exercise.
"Mental functions become impaired and respiration intermittent at oxygen concentrations that drop from 10 to 14 percent; at these levels with any amount of physical activity, the body becomes exhausted."
"At 12 to 16 percent oxygen, a person’s breathing and pulse rate increases and muscular coordination is slightly disturbed."
"People experience emotional upset, abnormal fatigue and disturbed respiration at 10 to 14 percent oxygen..."
6% - 10%: "nausea, vomiting, collapse and loss of consciousness"
<6%: "people can develop convulsive movements and respiratory collapse; they can die."
Take another deep breath...
Now, what are you going to do to help solve the problem?
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