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← GeographyWhich climatic effect results when volcanic aerosols drastically increase Earth's albedo?
A)Stratospheric ozone layer depletion
B)Intensified El Niño Southern Oscillation
C)Global mean surface temperature decrease✓
D)Accelerated thermohaline circulation slowdown
💡 Explanation
When volcanic aerosols increase albedo, a greater fraction of incoming solar radiation is reflected back to space because of increased planetary reflectance, leading to lower radiative forcing. Therefore, a global temperature decrease is observed, rather than ozone changes, ENSO intensification or thermohaline slowdown, which depend on other mechanisms.
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