The ozone "hole"
A) occurs the equatorial regions as a result of higher stratospheric temperatures.
B) is a natural phenomenon resulting from the unequal distribution stratospheric oxygen.
C) is a complex phenomenon in polar regions that results in the release of seasonally large amounts of chlorine, which breaks down ozone.
D) usually forms over industrial areas during summer when large amounts of SOX and NOX are released into the atmosphere.
C
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