Released when refrigerators are made, and even released when a refrigerator is cooling things stored in it.
Chlorofluorocarbon contains
Chlorine
Fluorine
And Carbon
When Chlorine and Oxygen( the oxygen found in the ozone) react together, the ozone or the shield that blankets the earth from dangerous rays such as the UV ray will be put in danger.
D: Nonpolar covalent bonds involve two atoms that have equal electonegativity whereas polar covalent bonds involve two atoms that are unequal in their electronegativity.