Choose the factor that is responsible for ozone layer depletion:
Correct answer: A. CFCs
- A. CFCs
- B. CBrCs
- C. CH2Br2
- D. All are correct
Explanation
Chlorofluorocarbons (CFCs) that are produced by air conditioners, refrigerators, etc. are responsible for ozone layer depletion. It is also known as Freon and its life in the atmosphere is about 20 - 100 years.
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About Environmental Chemistry
Atmospheric pollution includes smog, acid rain, greenhouse gases, ozone depletion and the effects of carbon monoxide, sulfur oxides, nitrogen oxides and particulate matter. Water pollution covers sewage, industrial waste, eutrophication and treatment stages, while green chemistry focuses on reducing hazardous substances, waste and energy use through safer, more efficient processes.
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