Air Pollution In China
By Liam Cabrera
What is Air Pollution?
Substances that are used to pollute our air are called pollutants. They are pumped into the air and pollute the air directly. Primary pollutant examples are, car exhaustion and coal sombustion. These pollutants are called, carbon monoxide and sulphur dioxide.
Further pollution can arise if primary pollutants undergo chemical reactions and are called secondary pollutants and an example of this is photochemial smog.