Which mechanism causes the formation of an escarpment along a normal fault line?

A)Differential erosion rates on exposed strata✓

B)Isostatic rebound after glacial retreat

C)Chemical weathering along fracture planes

D)Seismic liquefaction during earthquakes

💡 Explanation

When a normal fault forms, differential erosion occurs due to variations in rock resistance because the fault exposes different layers to weathering, creating an escarpment. Therefore differential erosion creates the escarpment, rather than other processes which require ice sheet removal, chemical dissolution or saturated soil vibration.

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Which mechanism causes the formation of an escarpment along a normal fault line?

💡 Explanation

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