Multiple choice

Which of following sets is the mismatched set of environmental pollution with responsible pollutants?

  1. Acid rain: SO2, NOx

  2. Green house effect: H2O, CO2

  3. Ozone depletion: CO, NO

  4. Photochemical smog: NOx, HCHO

  5. Ocean acidification: CO2, CO32-
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The ozone layer can be depleted by free radical catalysts, including nitric oxide (NO), nitrous oxide (N2O), hydroxyl (OH), atomic (Cl) and atomic bromine (Br).

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