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A comment on Building the Pocket CO2 Project. Parent comment

Re:Building the Pocket CO2 Project by londons_explore on Thursday April 27, 2023 @07:15AM (#35726328)
Sitting next to someone exhaling 45,000 ppm air and breathing in, if you breathe in perhaps 5% of what they breathe out, you are still breathing in air at 2,400 ppm...

Is sitting next to someone bad for health?

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