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← GeographyWhich mechanism causes crustal deformation near a transform fault boundary?
A)Elastic rebound from locked segments✓
B)Viscous flow from mantle convection
C)Plastic deformation from sediment loading
D)Thermal expansion from volcanic activity
💡 Explanation
When fault segments lock due to friction, elastic strain accumulates because tectonic forces continue to act, leading to sudden release in the form of displacement and earthquakes. Therefore elastic rebound is the cause, rather than viscous mantle flow, plastic sediment deformation or thermal expansion which operates at different geological settings.
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