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← GeographyWhich effect occurs because a weather balloon ascends through a Northern Hemisphere jet stream?
A)Deflection towards the east increases✓
B)Vertical wind shear decreases rapidly
C)Pressure stabilizes and ascent ceases
D)Observed temperature gradients intensify
💡 Explanation
The balloon exhibits increasing eastward deflection aloft due to an amplified Coriolis effect because the jet stream's high velocity means the inertial force curves the trajectory; therefore, eastward increases, rather than a stasis or a gradients shift.
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