Answered

How are slumps and slides different?

ASlumps are a type of sediment flow. Slides are a type of slope failure.

BSlides are a type of sediment flow. Slumps are a type of slope failure.

CSlumps happen very quickly. Slides happen very slowly over time.

DSlides move sediment down pre- existing rock surfaces. Slumps carve out curves of sediment.

Verified Answer :

I think the answer is D. Slides move sediment down pre-existing rock surfaces. Slumps carve out curves of sediment. Sorry if wrong.

Answer:

D. Slides move sediment down pre- existing rock surfaces. Slumps carve out curves of sediment.

Explanation:

In a slides,the descending mass moves along a plane almost parallel to the slope of the surface.  it involves moving rocks down a pre-existing rock surface

slump involve movement along a curved surface. it is known as a rotational slumping.  

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