In Indoor air pollution, carbon monoxide is produced by-
Ans. is 'd' i.e., All of the above Pollutant Sources Carbon monoxide Combustion equipment,stove, Gas heater. Nitrogen dioxide Gas cookers, Cigarattes Sulphur dioxide Coal combustion Carbone dioxide Combustion, respiration Ozone Electric arcing, UV light sources
Combustion equipment
Stove
Gas heaters
All of the above