The light of cities is reduced in comparison to villages due to the presence of:
Correct answer: D. Suspended particulate matter
- A. SO2 and SO3
- B. SO2 and oxides of nitrogen
- C. Hydrocarbons and N2O
- D. Suspended particulate matter
Explanation
Suspended particulate matter scatters and absorbs light, producing haze and reducing visibility more directly than the listed gases. This is why urban light and visibility are generally poorer than in less polluted villages.
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