Multiple choice

Which of the following is not a type of pollution?

  1. Air

  2. Water

  3. Soil

  4. Noise

  5. None of these

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

All the options listed (air, water, soil, noise pollution) are recognized types of environmental pollution. Therefore 'None of these' (meaning 'none of these is not a pollution type') is the correct answer as all are valid pollution categories.