5 ms·
It's useful to remember the makeup of air: 78.1% nitrogen 20.9% oxygen 0.93% argon 0.039% carbon dioxide Carbon dioxide, in very approximate figures
by sjwright 11y ago
It's useful to remember the makeup of air:
78.1% nitrogen
20.9% oxygen
0.93% argon
0.039% carbon dioxide
Carbon dioxide, in very approximate figures, is unpleasant at 0.5%, dangerous at 5%, fatal at 10%.
- Dylan16807 11y agoYou're going to be doing pretty badly with half the oxygen gone even if you had no CO2.