The type of gravity-driven, downslope movement where the material rotates as it moves downslope in contact with a curved surface of rupture is called

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Slump is the type of gravity-driven, downslope movement where the material rotates as it moves downslope in contact with a curved surface of rupture. Fall refers to the freefall of detached pieces of rock or debris. Slide is the downslope movement of a cohesive mass along a well-defined surface of rupture. Creep is the slowest and most imperceptible movement of soil or rock downhill, while flow is the rapid movement of a mass of soil or rock that behaves like a fluid. Therefore, only option C fits the description given.

The Type of Gravity-Driven, Downslope Movement Where the Material Rotates