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Geography

Which geological outcome is accelerated when sediment accumulates near subduction zones?

A)Formation of accretionary wedges
B)Metamorphic rock development
C)Deep ocean trench widening
D)Rift valley fault activation

💡 Explanation

The accretion of sediment facilitates the formation of accretionary wedges through a process called off-scraping. Because the denser subducting plate scrapes sediment from overriding plates, a wedge forms; therefore the faster accretion, rather than other geological formations happens.

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