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← GeographyWhich outcome results when stratospheric ozone depletes within Hadley cells?
A)Cooling of the upper troposphere
B)Increased surface UV-B radiation✓
C)Weakening of subtropical high pressure
D)Poleward expansion of the Ferrel cell
💡 Explanation
Increased surface UV-B radiation occurs because ozone depletion lessens UV absorption; the mechanism is direct radiative forcing. Therefore, harmful UV-B increases at the surface, rather than the Hadley cell weakening because this ozone loss has minimal impact on overall atmospheric circulation.
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