Describe the causes and effects of air pollution.

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Air pollution may be caused by burning of fossil fuels like coal and petroleum that release nitrogen and sulphur. These nitrogen and sulphur molecules form oxides of nitrogen and sulphur in air and later fall as acid rain too. Smog from combustion of fossil fuels also a cause of air pollution.

Effects of air pollution can be very lethal. When polluted air is breathed it results in allergies, cancer, bronchitis and other heart diseases.

● Bronchitis characterized by the inflammation and swelling of the air passages between nose to lungs and throat to lungs

● Immune system defects; it occurs due to constant breathing in polluted air

● Pneumonia- an infection of lungs caused by breathing a flying bacteria

● Asthma attacks because of inhaling various poisonous gases and constant suffocation owing to polluted air