After chlorofluorocarbons were banned, which class of chemicals was used in their place?
a....
Geography, 27.01.2020 22:31, MyaaaMoney
After chlorofluorocarbons were banned, which class of chemicals was used in their place?
a. hydrofluorocarbons
b. methane
c. carbon dioxide
d. sulfur dioxide
Answers: 1
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