MCQ
Read the following sentences carefully, and choose the correct one:
  • A
    Forest fires and volcanic eruption are the two natural sources of air pollution which put smoke and dust into the air.
  • B
    Air pollution produces a large number of a bad effects on living and nonliving things.
  • C
    Sulphur dioxide is produced by the burning of coal in factories and thermal power plants.
  • All the above.

Answer

Correct option: D.
All the above.
Here, all the statements are correct.

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