Geology 110

Exam 3 Sample questions

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Exam 3 Study Guide

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1.  Did sea level rise (A) or fall (B) to create the features shown below?

2.  Is the long-shore current moving to the right (A) or left (B) in picture below?

3.  Along an irregular coastline, wave energy is concentrated on:

a.  recessed bays.
b.  headlands projecting out into the sea.
c.  areas down current of piers and breakwaters.
d.  all points along a given coastline are affected equally.

4.  Addition of water to soil on slopes may

a.  stabilize the soil by freezing and thawing.
b.  stabilize the soil by increasing pore pressure.
c.  destabilize the slope by adding mass.
d.  destabilize the slope by decreasing the slope angle.


5.  The steepest stable slope that an unconsolidated material can maintain is the material's:

a.  shear strength.
b.  angle of repose.
c.  cohesion.
d.  none of the above.


6.  All of the following could increase the risk of landslide on a slope EXCEPT

a.  use of septic tanks.
b.  building a house on the slope.
c.  planting shrubs with extensive root systems.
d.  adding fill at the top of the slope to build a road.


7. Which of the following is a possible cause of relative sea-level rise:

1.  storm surge
2.  an ice age
3.  sinking of the coast due to tectonic activity

a.  1 and 2
b.  1 and 3
c.  2 and 3
d.  all 3 are possible causes of relative sea-level rise
e.  none of the is a  possible cause of relative sea-level rise


8.  True or False:  Landslides along Puget Sound are most common during periods of heavy rainfall.


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