Name three gases that pollute the air, their sources and one harmful effect of each.

Sulphur dioxide comes from burning coal and causes acid rain and respiratory illness. Oxides of nitrogen come from vehicle engines and cause acid rain and photochemical smog. Carbon monoxide comes from the incomplete combustion of fuel and combines with haemoglobin, preventing the blood from carrying oxygen.

No citable source has been recorded for this record. Treat it as practice material, not as fact.

Explanation

Particulate matter from industry and vehicles causes lung disease.