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bgottlieb410 bgottlieb410
wrote...
Posts: 349
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6 years ago
Which of these is NOT an ozone depleting substance?
A) Chloroflurocarbon      B) Hydrochloroflurocarbon
C) Halon      D) Nitrogen
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han12han12
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Posts: 206
6 years ago
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bgottlieb410 Author
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6 years ago
found this very helpful thank you
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