Question

Chlorofluorocarbons (CFCs) revolutionized personal and industrial life for many years. They were the coolants in refrigerator and propellant in aerosols pressure packs and fire extinguishers until the EPA developed regulatory program restricting their use.Which of the following arguments best describes why EPA began to restrict the use of this substance as part of a solution to reduce the impact on the environment A. Chlorofluorocarbons have a negative impact on the environment because they cause ozone depletion B. Chlorofluorocarbons have a negative impact on the environment because they add carbon to the atmosphere C. Chlorofluorocarbons have a negative impact on the environment because they cause air pollution D. Chlorofluorocarbons have a negative impact on the environment because they cause cancer

Answer 1

Chlorofluorocarbons contribute to ozone deplation, therefore the answer is A.