[6/11/2558 BE, 2:39:43 AM] kami nomi zo: ok
[6/11/2558 BE, 2:39:54 AM] Jean-Pierre: when you burn things, you have CO2
[6/11/2558 BE, 2:40:12 AM] Jean-Pierre: when you gasp for air, you transform O2 in CO2
[6/11/2558 BE, 2:40:26 AM] Jean-Pierre: oxygène in carbon dioxyde