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Which of the following can be considered causes of air pollution?

Which of the following can be considered causes of air pollution?

Q. Which of the following can be considered causes of air pollution?

i) Climate change

ii) Greenhouse gas emission

iii) Heavy vehicles movement

  1. Only i and ii
  2. i, ii and ii
  3. Only i and iii
  4. Only ii and iii

Answer: B

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