GPH113 - Landslides Quiz

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What could be a trigger for a landslide?

Water, storms, and earthquakes are all triggers

The rate at which rocks weather depends upon

all of these

Rock broken into smaller pieces is an example of

physical weathering.

Water expands as much as 9 percent of its volume when it freezes. That's a type of

physical weathering.

The steepest slope possible in unconsolidated dry materials is known as the angle of ___________________.

repose

Karst topography means the location could have disappearing rivers and

sinkholes.

Slump and slide are types of:

slope failures

Other than the rock itself, the most important chemical substance needed for the majority of weathering processes is

water.

What is the general term for downslope movement?

Mass wasting

A collection of material at the bottom of a slope that accumulates from rock falls is called ______________.

NOT bedding plane

Adding water to a slope can increase the driving force.

True

Oversteepening is an example of slope modification.

True

A slope failure where rocks become dislodged and fall downslope:

fall

Removing vegetation from a slope can increase the resisting force.

false

The main driving force is

gravity


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