Multiple Choice
The computer-generated image below depicts a part of the southern hemisphere in December 2007. What is the source of the purple-colored region on the image represent? 
A) A zone with high concentration of atmospheric carbon dioxide
B) A zone with high concentration of tropospheric ozone.
C) A zone with low concentration of stratospheric ozone.
D) A zone with high CFC concentrations.
Correct Answer:
Verified
Correct Answer:
Verified
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