Multiple choice

Acid rain is mostly caused by emissions of

  1. sulphur and chlorine

  2. hydrogen and oxygen

  3. sulphur and nitrogen

  4. carbon dioxide

  5. carbon monoxide
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Acid rain is mostly caused by emissions of sulphur and nitrogen, which is highly acidic in nature. It has harmful effects on plants, aquatic animals, etc.

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