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What does LIDAR data tell us about shorelines?


A) how the size of waves is related to water temperature
B) how the size of waves is related to salinity of seawater
C) changes in elevation,including destruction of houses
D) how the color of sand affects the air temperature
E) none of these

F) B) and D)
G) All of the above

Correct Answer

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What do these teardrop-shaped hills (drumlins) record? What do these teardrop-shaped hills (drumlins) record? A) ancient lake levels B) piles of sediment recording past positions of the end of the glacier C) erosion and sculpting of soft materials by a moving glacier D) melting of large blocks of rock in the ice


A) ancient lake levels
B) piles of sediment recording past positions of the end of the glacier
C) erosion and sculpting of soft materials by a moving glacier
D) melting of large blocks of rock in the ice

E) All of the above
F) A) and B)

Correct Answer

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If the amount of ice on the planet increased to the amount that was present during the last glacial maximum,how much would it cause global sea level to fall? If you do not remember the approximate size of this rise,the volume of additional ice is 52,000,000 km3 and the surface area of the world's ocean is 361,000,000 km2.


A) less than 10 centimeters
B) 10 centimeters to 1 meter
C) 1 meter to 10 meters
D) 10 meters to 50 meters
E) more than 50 meters

F) D) and E)
G) C) and D)

Correct Answer

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What feature will be formed by the sediment carried along the sides of this glacier? What feature will be formed by the sediment carried along the sides of this glacier? A) cirque B) tarn C) arête D) lateral moraine E) none of these


A) cirque
B) tarn
C) arête
D) lateral moraine
E) none of these

F) A) and D)
G) C) and D)

Correct Answer

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What is the depth of wave base?


A) the depth to which wave action extends
B) a depth equal to three times the wavelength of waves
C) the process by which waves move material along the bottom in very deep water
D) the inside of a tubular breaking wave that is perfect for surfing
E) none of these

F) C) and D)
G) All of the above

Correct Answer

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Which of the features labeled on this figure is a kettle? Which of the features labeled on this figure is a kettle? A) A B) B C) C D) D E) E


A) A
B) B
C) C
D) D
E) E

F) A) and B)
G) None of the above

Correct Answer

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What is one of the most important aspects about West Antarctica with respect to global sea level?


A) it has large composite volcanoes whose eruptions have changed global climate
B) it cools the adjacent oceans causing them to contract
C) it has large floating ice shelves that could be detached and melted
D) it has large volcanoes whose eruption beneath the ice could cause extremely large floods

E) All of the above
F) A) and D)

Correct Answer

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What would happen to global sea levels if all the ice in West Antarctica melts?


A) it would not change because the volume of water you get from melting ice is only slightly more than the volume of the ice
B) it would not change because the volume of water you get from melting ice is only slightly less than the volume of the ice
C) sea level would fall because of isostatic rebound
D) sea level would rise by a significant amount

E) A) and D)
F) B) and D)

Correct Answer

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Which of the features labeled on this figure is an esker? Which of the features labeled on this figure is an esker? A) A B) B C) C D) D E) E


A) A
B) B
C) C
D) D
E) E

F) D) and E)
G) A) and B)

Correct Answer

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What type of glacier is shown on the gently sloping land near the coastline? What type of glacier is shown on the gently sloping land near the coastline? A) tropical coast glacier B) shoreline glacier C) piedmont glacier D) continental ice sheet


A) tropical coast glacier
B) shoreline glacier
C) piedmont glacier
D) continental ice sheet

E) All of the above
F) A) and B)

Correct Answer

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The amount of solar heating can increase from:


A) a decrease in sunspot activity and energy output from the Sun
B) a decrease in snow and ice cover on Earth's surface
C) a decrease in the amount of greenhouse gases
D) a huge volcanic eruption that adds ash and dust to the atmosphere

E) A) and D)
F) A) and C)

Correct Answer

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Which of the following is NOT a type of evidence left behind by glaciers?


A) scratched and polished bedrock
B) scattered stones (dropstones) in fine-grained sediment
C) changes in the isotopic compositions of marine shells
D) V-shaped valleys
E) all of these are evidence left behind by glaciers

F) C) and D)
G) A) and B)

Correct Answer

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An increase in the rate of seafloor spreading along this ridge would cause: An increase in the rate of seafloor spreading along this ridge would cause: A) the ridge to become broader B) seawater to be displaced out of the ocean basin C) a rise in sea level D) all of these


A) the ridge to become broader
B) seawater to be displaced out of the ocean basin
C) a rise in sea level
D) all of these

E) A) and C)
F) C) and D)

Correct Answer

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What does this wave-cut platform indicate? What does this wave-cut platform indicate? A) a rise of sea level relative to the land B) a lowering of sea level relative to the land C) movement of a large thrust fault D) scouring of the land surface by a tsunami


A) a rise of sea level relative to the land
B) a lowering of sea level relative to the land
C) movement of a large thrust fault
D) scouring of the land surface by a tsunami

E) B) and C)
F) A) and D)

Correct Answer

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What are some features that were or are associated with the emptying of lakes formed during glacial times?


A) the Bonneville Salt Flats of Utah
B) the Channeled Scablands
C) enormous potholes carved into bedrock
D) enormous ripples hundreds of feet high
E) all of these

F) A) and E)
G) A) and D)

Correct Answer

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Which numbered feature(s) on this photograph are consistent with the presence of glaciers sometime in the past? Which numbered feature(s) on this photograph are consistent with the presence of glaciers sometime in the past? A) 1,an arête B) 2,U-shaped valley C) 3,tarn D) all of these


A) 1,an arête
B) 2,U-shaped valley
C) 3,tarn
D) all of these

E) A) and B)
F) All of the above

Correct Answer

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Factors that do NOT affect the appearance of a shoreline from the water side include:


A) strength of waves and tides
B) size and intensity of storms
C) orientation of the coastline
D) slope of the seafloor
E) all of these affect the appearance

F) A) and B)
G) A) and C)

Correct Answer

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What causes high and low tides?


A) the tendency for water on a spinning globe to be thrown outward
B) daily heating and cooling of the seas,which causes seawater to contract and expand
C) a rise in sea level during the day because of an increase in storms
D) water is pulled by the gravity of the Moon
E) all of these

F) D) and E)
G) B) and C)

Correct Answer

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How do waves propagate across the water?


A) the wave moves forward but water moves in a circular motion
B) water near the surface moves less than water at depth
C) water within the wave travels as far as the wave does
D) all of these

E) B) and C)
F) A) and D)

Correct Answer

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With the Moon in this position,which area will experience low tide? With the Moon in this position,which area will experience low tide? A) 1 B) 2 C) 3 D) 1 and 3 E) 2 and 4


A) 1
B) 2
C) 3
D) 1 and 3
E) 2 and 4

F) A) and B)
G) A) and C)

Correct Answer

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