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Mass Wasting and Landslides
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Grade Level
Physical Science with Earth and Science
9.117 Mass Wasting and Landslides
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A landslide occurs on a slope where a storm followed months of gradual crack widening. Which interpretation best separates precondition and trigger?
A
The storm was a precondition and the cracks were unrelated decoration.
B
Preconditions and triggers are identical in every landslide.
C
The cracks prove the slope was stable until after the slide ended.
D
Crack widening shows a preexisting unstable slope; the storm likely triggered rapid movement.
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