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← GeographyWhich outcome occurs when the Juan de Fuca plate heavily subducts under North America?
A)Increased inland seismic activity occurs✓
B)Formation transform fault occurs
C)Rift valley formations accelerate
D)Glacier peak formation decelerates
💡 Explanation
Increased inland seismic activity occurs because the _stick-slip mechanism_ generates large stresses that suddenly release. Therefore, deep earthquakes occur, rather than surface faulting/rifting usually, due to ductile deformation under overlying pressure.
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