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Question
Which one is the major reason for pollution in big cities?
Which one is the major reason for pollution in big cities?
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Solution
The correct option is D Fossil fuel
In the big cities, the use of vehicles is more and there are more factories and industries than small towns. Both the vehicles and the industries/factories are heavily dependent on the fossil fuels of petroleum and coal respectively. The burning of the fossil fuels result in the emission of the oxides of the carbon, oxides of the sulphur and the oxides of the nitrogen that accumulate in the atmosphere to cause the air pollution.Hence, the correct answer is 'Fossil fuels'.
In the big cities, the use of vehicles is more and there are more factories and industries than small towns. Both the vehicles and the industries/factories are heavily dependent on the fossil fuels of petroleum and coal respectively. The burning of the fossil fuels result in the emission of the oxides of the carbon, oxides of the sulphur and the oxides of the nitrogen that accumulate in the atmosphere to cause the air pollution.
Hence, the correct answer is 'Fossil fuels'.
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