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← GeographyWhich outcome frequently results when stress accumulates along megathrust faults?
A)Increased risk of undersea megathrust earthquakes✓
B)Enhanced mantle convection near fault lines
C)Accelerated chemical weathering of fault rock
D)Decreased heat flow along the fault
💡 Explanation
Seismic risk increases because frictional resistance causes stress buildup until it exceeds fault strength, triggering sudden slip in an earthquake; therefore, focusing on megathrust characteristics is crucial rather than other localized geological activities.
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