Question

explain how a small amount of chlorofluorocarbons can destroy a large amount of ozone.

Explanation:

Chlorofluorocarbons (CFCs) release chlorine atoms in the stratosphere. Chlorine atoms act as catalysts in the ozone - destruction reaction. One chlorine atom can break down many ozone molecules in a chain - reaction process, allowing a small amount of CFCs to destroy a large amount of ozone.

Answer:

Chlorine atoms from CFCs act as catalysts in ozone - destruction chain reactions, enabling a small amount of CFCs to deplete a large amount of ozone.