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Home Q & A Board Science-Related Homework Help Physics
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einsteindude einsteindude
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9 years ago
Which of the following is a threat to the ozone layer?
A) coal burning
B) freon refrigerants
C) Both of the above.
D) automobile exhaust
E) None of the above.
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
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mel!811mel!811
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