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Geography

Which crustal deformation arises when a descending plate encounters increased mantle resistance?

A)Accretionary wedge formation
B)Oceanic fracture zone creation
C)Submarine canyon development
D)Abyssal plain subsidence

💡 Explanation

Accretionary wedge formation occurs because sediment accumulates on the overriding plate through offscraping during subduction; this deformation increases significantly when the descending plate encounters greater resistance. Therefore, an accretionary wedge forms, rather than features associated with faulting or erosion.

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