question_answer

CFCs are responsible for

A)  ozone layer depletion

B)  global warming

C)  acid rain

D)  None of the above

Correct Answer: A

Solution :

CFCs   (Chlorofluro carbons)   are   mainly responsible for ozone layer depletion. CFCs are used as cooling materials in refrigerators and air conditioners, propel aerosol sprays etc. \[UV\] ray breaks \[CFC\] molecules and releases chlorine molecules, which reduce the ozone content in the atmosphere. One \[Cl\] molecule is sufficient to destroy a lac of ozone molecules.