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← GeographyWhich outcome occurs when a subducting plate melts during oceanic-continental convergence?
A)Formation of a volcanic arc✓
B)Development of a deep-sea trench
C)Creation of a mid-ocean ridge
D)Uplift of a transform fault
💡 Explanation
A volcanic arc forms because subduction introduces water, lowering the mantle's melting point, creating magma that rises, then causing volcanism above the subduction zone. Therefore, volcanic arcs form, rather than trenches or ridges, due to this melt generation.
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