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← GeographyWhich outcome is triggered when high-altitude atmospheric streams encounter a region with amplified subsidence?
A)Localized increase in surface windspeed
B)Stratospheric ozone layer thinning
C)Formation of persistent coastal upwelling
D)Intensification of anticyclonic surface pressure✓
💡 Explanation
Atmospheric streams increase the compression of air where subsidence intensifies; **adiabatic compression** then drives atmospheric parcels to form high pressure anticyclones rather than lower pressure weather patterns because density increases further aloft therefore impeding vertical motion.
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