Multiple Choice
If a back-arc basin is a region related to a subduction zone, how can such an extensional basin form near a boundary defined by compression?
A) Trench rolls back as the old, dense subducting plate sinks.
B) Compression ceases before extension takes over.
C) Rising magma is softening the crust, allowing it to stretch.
D) A plate subducting at an extremely shallow angle is pushing against the back-arc region.
Correct Answer:
Verified
Correct Answer:
Verified
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