3 ms·
The drop in O2 levels is a long way from being noticeable by animals. 280 > 420 PPM for CO2 is just 209,640 ppm > 209,500 ppm PPM O2 a drop of under 0.007%.
by Retric 3y ago
The drop in O2 levels is a long way from being noticeable by animals.
280 > 420 PPM for CO2 is just 209,640 ppm > 209,500 ppm PPM O2 a drop of under 0.007%.