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← GeographyWhich barometric outcome results if rising, saturated air reaches the tropopause and ascends no further?
A)Increased equatorial high pressure zone
B)Low-pressure zone due adiabatic expansion✓
C)Strengthened polar descending air columns
D)Weakened hadley cell circulation overall
💡 Explanation
A low-pressure zone results due to continued adiabatic expansion because air parcels continue to rise from the latent heat release associated with condensation, rather than pressure increasing in the upper atmosphere; therefore, a low-pressure zone forms, contrasting increased high pressure zones.
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