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Which effect results when a high pressure system descends?

A)Increased atmospheric stability and subsidence
B)Intensification of prevailing surface winds
C)Enhanced El Niño/La Niña oscillation cycles
D)Amplified formation of upper-level cyclones

💡 Explanation

High pressure systems cause atmospheric stability and subsidence because air descends and warms via adiabatic compression, inhibiting cloud formation; this suppresses uplift rather than promoting circulation, therefore favoring clear conditions rather than other unstable weather patterns.

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