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The gradual rise in the average temperature of the earth's atmosphere due to trapped heat is:

ASmog formation
BOzone depletion
CGlobal warming
DAcid rainfall
Answer & Solution
Correct answer: C. Global warming
1. Carbon dioxide traps heat. 2. The result is global warming. 3. Sea levels may rise dramatically. _Source: syllabus Science, Chapter 18, Pollution of Air and Water._
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