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  • Air Pollution
  • Which of the following activities causes air pollution?
Multiple choice

Which of the following activities causes air pollution?

  1. Planting of trees

  2. Taking measures to reduce smoke

  3. Using unleaded petrol

  4. Burning of fuels

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Burning of fuels is the main cause of air pollution.

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