Hydrofluorocarbons (HFCs)and Hydrochlorofluorocarbons (HCFCs)are Good Substitutes for Chlorofluorocarbons (CFCs)because

question 99

Multiple Choice

Hydrofluorocarbons (HFCs) and hydrochlorofluorocarbons (HCFCs) are good substitutes for chlorofluorocarbons (CFCs) because

• A)they are also greenhouse gases.
• B)C-F bonds will react more easily with hydroxyl radicals, so they are broken down before they reach the stratosphere.
• C)C-H bonds will react more easily with hydroxyl radicals, so they are broken down before they reach the stratosphere.
• D)they are too heavy to reach the stratosphere.

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