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  • General Science: Physics, Chemistry, and Environmental Science
  • Which of the following is a natural cause of air pollution?
Multiple choice

Which of the following is a natural cause of air pollution?

  1. Volcano

  2. Automobile exhaust

  3. Petroleum refining

  4. Exhaust from cement factory

  5. Exhaust from pesticide production unit

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

Volcano is a natural cause of air pollution.

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