1. describe a natural source of Hydrocarbons in the atmosphere. Including its balanced equation for the reaction that is prodruced by the pollutant.

2.write the Balance equations for the reaction that produce each pollutant.
-Carbon Monoxide:
a)Motor vehicle
b)forest fires
-Nitrogen oxides:
a)vehicle exhaust emmission
b)bacterial process
-Sulphur oxides
a)Petrolium refineries
b)natural gas processing plants
-Paticulates
a)vehicle exahust emmission
b)Soil dust
-Hydrocarbons in the atmosphere
a)oil operations