1) What urban problem is shown in the photo? a) Worn-out building b) Earth pollution c) Poor hygienic condition d) Lack of facilities 2) What urban problem is shown in the figure? a) Air pollution b) Land pollution c) Noise pollution d) Water pollution 3) The photo below shows the main source of air pollution. What is it? a) Factories b) Household c) Vehicles d) Power plant 4) What urban problem is shown in the photo? a) Waste b) Air pollution c) Noise pollution d) Water pollution 5) What urban problem is shown in the photo? a) Overcrowding b) Urban decay c) Traffic congestion d) Environmental pollution

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