2 Answers

Chlorofluorocarbons are air pollutants that originates from…

Posted by: 1008 views
BIOLOGY

Chlorofluorocarbons are air pollutants that originates from

A. crude oil refining

B. coal mining

C. motor vehicle exhaust

D. cooling system

QUICK ANSWER…

D

DETAILS…  

The examiner wants to know the option that could serve as a source of chlorofluorocarbons.

Now for the right answer to the above question:

  1. Chlorofluorocarbons are not products of crude oil refining. so, A is quite incorrect.
  2. Neither are they products of coal mining. B is also incorrect.
  3. Motor vehicle exhausts emit pollutants such as oxides of carbon and Sulphur, but not chlorofluorocarbons. So, C is incorrect.
  4. D is correct, chlorofluorocarbons are emitted from refrigerants, air conditioners, and fire extinguishers.
RELATED!  Which of the following is NOT regarded as a pollutant...

QUICK ADVICE…

You may please note that:

  • The byproducts of crude oil refining does not include chlorofluorocarbons as some might be led to believe.

Use the questions and answers session to raise further questions on this topic…

/ culled from 2017 JAMB-UTME biology question 15 /

Answer Question