Multiple choice

Main cause of air pollution is�

  1. Deforestation

  2. Soil erosion

  3. Urbanization

  4. Green house effect
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Urbanization is a major cause of air pollution due to increased vehicular emissions, industrial activity, construction, and energy consumption in cities. Urban areas concentrate pollution sources like vehicles, factories, and power plants. While other options like greenhouse effect contribute to climate change, and deforestation affects air quality indirectly, urbanization directly increases emission sources that degrade air quality in densely populated areas.

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