1. Air pollution is caused by the presence of pollutants in the air which are harmful to life and the environment.
2.Sources of pollution are as follows
a. Burning
~Rubbish
~Forest
~solid waste
b. Factories and industries
~Burning of fossil fuels such as petroleum, diesel, and gas in factories and power station.
~Agcricultural industries that use agrochemical such as fertiliser , pesticides, insecticides and herbicides.
c. Motor vechicle
~Release harmful gases in car exhaust fumes.
3.Effect negative:
~increases in carbon dioxida (greenhouse gas) in the atmosphere causes greenhouse effect.
~sulphur dioxida and nitrogen are acidic gases which dissolve in water vapour can cause acid rain.
~the pollutant and smoke cause respiratory diseases such as bronchitis, lung cancer, asthma.
~pollutants irritate the eyes , cause skin diseases and conjunctivities.
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