Nitrogen Dioxide Nitrogen Dioxide
Argon is a noble gas and is a non pollutant part of our atmosphere.
emission
Methane and carbon dioxide.
waffles
green house gas's
secondary pollutant because of the it extracts a gas / smoke that contributed to global warming .
sulfer dioxide
Ozone gas in the troposphere is very low. It is a pollutant.
Ozone is unfriendly at ground level. It acts as a pollutant.
Ozone is the gas. It is present as ozone layer in the atmosphere.
Carbon Monoxide.
Hydrogen is not a pollutant. It is controlled as a flammable gas in confined spaces.