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  5. Ozone hole refers to

Ozone hole refers to

Biology
JAMB 2018

Ozone hole refers to

  • A. hole in ozone layer
  • B. decrease in the ozone layer in troposphere
  • C. decrease in thickness of ozone layer in stratosphere
  • D. increase in the thickness of ozone layer in troposphere
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Correct Answer: Option C
Explanation

Chlorofluorocarbons (CFCs) and other halogenated ozone depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion.

There is an explanation video available below.

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Explanation Video

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Post UTME Past Questions Agent
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts