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by TravisCooper 861 days ago
CO2 is 0.04% of the earth's atmosphere, amazing!

79% Nitrogen

21% Oxygen

0.9% Argon

0.1% Other (includes CO2)

2 comments

"Small things can't ever hurt anyone" is a... tough theory to support scientifically.
Starting at the bottom with basic facts helps build understanding.
30 ng of botulinum toxin can kill you. What's your point?