Wow... no. Air is mainly a mix of N2 and O2.Originally posted by: her209
Isn't air also composed of NO2 (which is heavier than CO2)?Originally posted by: YoshiSato
CO2 is heavier than the atmosphere. 1 simple experiment will prove that. Take some dry-ice(Frozen CO2) in some hot water. The CO2 vapor will fall to the ground.