Chlorofluorocarbons (CFCs)are Pollutants Because ____. ​

Multiple Choice

Chlorofluorocarbons (CFCs) are pollutants because ____. ​

A) the biogeochemical mechanisms for their removal have not yet appeared in the biosphere
B) they combine with water to form hydrochloric and hydrofluoric acids
C) they are found in smog
D) they are photochemical oxidants
E) they combine with carbon dioxide to form acid rain