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← GeographyWhich mechanism causes fault creep along the San Andreas fault in California?
A)Tectonic stress release due to friction✓
B)Sediment deposition filling fault lines
C)Thermal expansion of subsurface magma
D)Weathering and erosion of surrounding rock
💡 Explanation
When tectonic plates stress builds, slow, continuous movement termed fault creep, releases energy through friction along the fault line because rocks deform plastically rather than fracturing. Therefore, slow tectonic creep occurs, rather than sediment infill, thermal expansion, or rock erosion influencing fault movement.
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