Given below is a representation of a type of pollution. Study the picture (factories and vehicles emitting smoke, with a person coughing) and answer the questions: Given below is a representation of a type of pollution. Study the picture (factories and vehicles emitting smoke, with a person coughing) and answer the questions:
Name one source of this pollution.
Topic: Sources of air pollution
Answer
FACTORIES AND INDUSTRIES (also acceptable: motor vehicles, burning of garbage, brick kilns, thermal power plants, oil refineries, burning of crop residues, bursting of crackers).
One source only, so name one — and name one VISIBLE in the picture, since the question refers to it.
Sources fall into two useful groups: STATIONARY — factories, power stations, brick kilns, refineries MOBILE — cars, buses, lorries, aircraft Saying which kind you are naming shows structure in your thinking.
The main pollutants they release: carbon monoxide, oxides of sulphur and nitrogen, unburnt hydrocarbons and particulate matter.