mfb- t1_j9rs773 wrote
Reply to comment by breckenridgeback in eli5: Since CO2 is increasing in the atmosphere, does that mean O2 or other gases are decreasing ? by Ok_Gas_6560
420 ppm is 0.042%, so the change in oxygen is even smaller.
1000 ppm = 1/1000 is 0.1%.
breckenridgeback t1_j9rsghn wrote
Added a note at the top of my post. Thanks for the correction.
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