asked 165k views
5 votes
1. Which of the following substances is believed to be responsible for the hole in the ozone

layer?
A. Ammonia
B. Chlorofluorocarbons (CFCs)
C. Lead
D. Carbon monoxide

1 Answer

3 votes
A. Ammonia because look it up
answered
User OrderAndChaos
by
7.8k points
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