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Geography

Which process causes subsidence on the downthrown side of a growing normal fault?

A)Isostatic rebound after erosion
B)Flexural slip due to sediment loading
C)Erosion enhanced by fault gouge
D)Synthetic fault block rotation

💡 Explanation

When the hanging wall (downthrown side) accumulates sediment, flexural slip occurs because the lithosphere bends under the increased load, causing subsidence. Therefore, flexural slip due to sediment loading results, rather than isostatic rebound, erosion, or synthetic faulting which require different tectonic settings.

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