GAS THAT SUPPORTS BURNING, O2, CO2, N2, CH4, Cl2, He, GAS THAT EXTINGUISHES FIRE, CO2, O2, N2, Cl2, H2, He, GAS THAT IS USED FOR PHOTOSYNTHESIS, CO2, O2, N2, CO, H2, He

etter

Ledertavle

Visuell stil

Alternativer

Bytt mal

Gjenopprett automatisk lagring: ?