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Indeed. 400 ppm of CO2 compared to 300 is likely negligible for human respiration, compared to the 201,000 ppm O2 and 780,000 ppm N2 in the atmosphere. 0.04% v
by ams6110 9y ago
Indeed. 400 ppm of CO2 compared to 300 is likely negligible for human respiration, compared to the 201,000 ppm O2 and 780,000 ppm N2 in the atmosphere.
0.04% vs 20% and 78%
- metaobject 9y agoWell, N2 molecules have very strong bonds that aren't easily broken so they ddon't tend to react with much of anything inside our bodies.
- deleted 9y ago[deleted]