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Question

What are the main sources of air pollution in cities?  [2 MARKS]
 


Solution

Each point: 1 Mark

1. The main sources of pollution in cities are vehicles and industries. 
2. In cities, air may be severely polluted not only by transportation but also by the burning of fossil fuels (oil and coal) in generating stations, factories, office buildings, and homes and by the incineration of garbage.

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