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← GeographyWhich phenomenon results when subtropical high-pressure cells intensify and expand poleward?
A)Increased desertification at mid-latitudes✓
B)Weakened jet stream due to reduced gradient
C)Elevated coastal fog formation in cold currents
D)Increased cyclonic activity near the equator
💡 Explanation
When subtropical high-pressure cells intensify and expand poleward, subsidence increases, leading to drier conditions because descending air warms and holds more moisture, inhibiting precipitation. Therefore, increased desertification occurs at mid-latitudes, rather than weakened jet streams, fog formation, or cyclonic activity which require different atmospheric conditions.
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