A.   Using long steel bolts for areas prone to soil creep and flows

B.   Removing weight from the head of the slide

C.   Applying shockcrete, a reinforced spray-on form of concrete

D.   Buttressing a slide by adding weight at the toe of the slide

E.   Terracing to create a stairstep topography

A.   Creep, Fall, Slide, and Flow

B.   Slide, Flood, Creep, and Strike

C.   Strike, Rise, Fall, and Flood

D.   Creep, Flood, Rise, and Strike

A.   A history of previous mass wasting events in the area

B.   A nearby river

C.   A humid climate

D.   A steep bedding plane near the site

E.   Dramatic geologic structures affecting local strata

A.   Despite the immense hazard, loss of life and of property was prevented because radar systems warned of movement of the wall and it was a major mudflow that resulted in a property damage of over 10 billion USD

B.   Despite the immense hazard, loss of life and of property was prevented because radar systems warned of movement of the wall and it is one of the largest historic landslides not associated with volcanoes.

C.   It was a major mudflow that resulted in a property damage of over 10 billion USD and it was one of the largest rock falls in the US history that blocked Interstate 15 for over a month.

D.   It is one of the largest historic landslides not associated with volcanoes and it was one of the largest rock falls in the US history that blocked Interstate 15 for over a month.