Which of the following is a common gas contributing to air pollution?
Oxygen
Carbon Dioxide
Sulphur Dioxide
Nitrogen
Answer and Solution
Answer
C. Sulphur Dioxide
Solution:
Sulphur Dioxide is primarily produced by burning fossil fuels in industries and is a significant contributor to air pollution. Oxygen and Nitrogen are not pollutants. Carbon Dioxide, while a greenhouse gas, is not typically regarded as an air pollutant in the same context.
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