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← GeographyWhich outcome occurs when stress overcomes friction along a subduction zone?
A)Sudden release causes seismic waves✓
B)Mantle convection increases crustal density
C)Isostatic rebound forms coastal terraces
D)Thermal expansion reduces plate motion
💡 Explanation
Seismic waves occur due to the mechanism of elastic rebound; stress builds up, then is suddenly released as the fault slips, because the rock's strength is overcome. This creates seismic waves rather than gradual creep, because creep involves a slow deformation.
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