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← GeographyWhich lateral effect results when groundwater pressure changes along a transform fault line?
A)Induced shallow seismic activity✓
B)Increased regional metamorphic rate
C)Accelerated mantle magma conduction
D)Localized continental plate divergence
💡 Explanation
Increased groundwater pressure can reduce effective normal stress on the fault, triggering slip and induced seismicity via pore pressure diffusion because the fault is already at a critical stress state; therefore, seismic activity increases, rather than metamorphic changes or plate divergence, because of the transform fault's setting.
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