Question

What is a common result of air pollution in cities?

• A. Clear skies
• B. Smog
• C. Abundant rainfall
• D. Reduced temperatures

Answer 1

Answer:

B. Smog

• Vehicles, industrial establishments, etc., are the main causes of air pollution.

• Main sources of air pollution - Burning of fossil fuels, mining, and industries

• Main gases responsible for air pollution - Carbon monoxide, carbon dioxide, sulfur dioxide, nitrogen oxides

• Smog is a common result of air pollution in cities.