The formation of ozone hole in the Antarctic region has been a cause of concern. What could be the reason for the formation of this hole?
APresence of prominent tropospheric turbulence; and inflow of chlorofluorocarbons
BPresence of prominent polar front and stratospheric clouds; and inflow of chlorofluorocarbons
CAbsence of polar front and stratospheric clouds; and inflow of methane and chlorofluorocarbons
DIncreased temperature at polar region due to global warming
Answer & Solution
Correct answer: B. Presence of prominent polar front and stratospheric clouds; and inflow of chlorofluorocarbons
UPSC CSE Prelims 2011 (GS-I, Set A), Q.9. Official answer key: B.