Question

what are the chlorofluorocarbons why should their use be discouraged

Answer 1

Chloroflurocarbon is a type of toxic gas which is produced by refrigerator and automobiles etc.

It's use should be discouraged because it is involved in depletion of ozone layer.

Answer 2

cfc which present in refrigerators and washing machines. which causes the depletion of ozone in high level.