Question 1

This wave-cut platform indicates

Accepted Answer

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

Question 2

With the Sun and Moon in this position, the side of the Earth facing the Moon experiences

Accepted Answer

A)  a normal high tide.
B)  a normal low tide.
C)  a spring tide.
D)  a neap tide.E) A) and B)
F) None of the above

Question 3

It has been proposed that the reason that the Pacific Ocean has many more coral reefs than the Atlantic Ocean is that

Accepted Answer

A)  the Atlantic Ocean is too saline for many coral species.
B)  the ocean currents in the Atlantic are too swift to allow for coral reefs to develop unimpeded.
C)  the last glacial advance left the Atlantic too cold to allow coral to survive.
D)  there are too many large rivers discharging polluted waters into the Atlantic basin to support as many coral reefs as in the Pacific, which is much larger and more immune to the pollution.E) B) and C)
F) C) and D)

Question 4

What is probably the least expensive approach for avoiding shoreline hazards?

Accepted Answer

A)  bringing in sand to replenish what is lost to storms
B)  using private insurance money to rebuild houses destroyed by erosion and waves
C)  using federal disaster money to rebuild houses destroyed by erosion and waves
D)  forbidding the building of houses or other structures in high-risk areas
E)  building up the land level so communities, such as New Orleans, are above sea levelF) C) and D)
G) D) and E)

Question 5

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

Accepted Answer

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) B) and C)
G) C) and D)

Question 6

Climate influences the processes along coastal landscapes by

Accepted Answer

A)  controlling the amount of precipitation, which affects the amount of erosion.
B)  affecting the size and intensity of storms.
C)  allowing wet climates to support more vegetation which may stabilize the soil.
D)  melting glaciers which causes sea level to rise.
E)  All of these.F) B) and E)
G) A) and E)

Question 7

With the Sun and Moon in this position, the side of the Earth facing the moon experiences

Accepted Answer

A)  a normal high tide.
B)  a normal low tide.
C)  a spring tide.
D)  a neap tide.E) All of the above
F) C) and D)

Question 8

If this spit continues to grow, cutting off the lagoon, it will become a

Accepted Answer

A)  sandbar.
B)  baymouth bar.
C)  reef.
D)  groin.E) A) and D)
F) None of the above

Question 9

Which of the following is true about how waves form and break upon the shore?

Accepted Answer

A)  Most waves form from upwelling of deep waters.
B)  Waves get smaller as wind speed increases.
C)  Waves begin to change when they reach water shallower than wave base.
D)  Waves break in a counterclockwise direction because of rotation of the Earth.
E)  None of these.F) C) and D)
G) A) and C)

Question 10

An increase in the rate of seafloor spreading along this ridge would cause

Accepted Answer

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

Question 11

What geologic event is probably indicated by this irregular coast, with estuaries?

Accepted Answer

A)  a rise in sea level
B)  a drop in sea level
C)  erosion due to large tsunamis
D)  the uplift of submarine canyonsE) All of the above
F) A) and B)

Question 12

Which of the following is true about how coasts are affected from the water side?

Accepted Answer

A)  Most waves are generated by earthquakes and become larger upon approaching the shore.
B)  Most erosion along shorelines occurs from offshore currents.
C)  Waves can erode, deposit, or simply transport sediment.
D)  Tides increase and decrease the size of waves but leave sea level unchanged.
E)  None of these.F) B) and E)
G) A) and B)

Question 13

An area will experience high tide

Accepted Answer

A)  in the early afternoon when water temperatures are highest.
B)  when there is a quarter moon in the sky.
C)  when the moon is directly overhead or on the opposite side of Earth.
D)  during a period of intense sunspot activity.E) C) and D)
F) A) and B)

Question 14

The left to right slope of the small island on the lower right of this photograph tells us that

Accepted Answer

A)  a nearby stream on the mainland must be providing sediment to support the island.
B)  wave action must be minimal in this area.
C)  an area of coastal upwelling must be nearby.
D)  the ocean depth must be increasing to the right.E) B) and D)
F) None of the above

Question 15

Which of the following would cause sea level to rise?

Accepted Answer

A)  a decrease in the number of glaciers on land
B)  faster rates of seafloor spreading
C)  a rise in the temperature of the oceans
D)  All of these.E) B) and C)
F) A) and D)

Question 16

If waves approach the shore at an angle they

Accepted Answer

A)  die out before they reach the shore.
B)  begin to break in water depths deeper than the wave base.
C)  bend so they approach the shore more directly.
D)  do none of these because waves do not approach the shore at an angle.E) A) and B)
F) None of the above

Question 17

High tides are higher than average and low tides are lower than average when

Accepted Answer

A)  the Moon and the Sun are aligned relative to the Earth.
B)  it is a full moon.
C)  it is a new moon.
D)  All of these.E) A) and D)
F) C) and D)

Question 18

Sand and other sediment

Accepted Answer

A)  can move laterally along the coast if waves approach the beach at an angle.
B)  only move up and down the slope of the beach.
C)  can slump downward if the sea bottom has too gentle a slope.
D)  are moved by the wind if the material is coarser than sand.
E)  All of these.F) A) and D)
G) A) and C)

Question 19

Which of the following most likely indicates that sea level has risen relative to the land?

Accepted Answer

A)  offshore sand bars that have become coastal dunes
B)  the presence of coral reefs on land
C)  wave-cut notches and platforms that are above sea level
D)  marine terraces
E)  an irregular coastline with branching estuaries and embaymentsF) None of the above
G) A) and C)

Question 20

What is the primary reason an increase in glaciation on land would cause sea level to fall?

Accepted Answer

A)  The temperature of the oceans decreases from cold glacial streams.
B)  An increase in snow cover causes the atmosphere to heat up which causes more evaporation.
C)  Glaciers depress the land surface, which pulls sea level down with it.
D)  Glaciers tie up large volumes of water that would otherwise be in the sea.E) All of the above
F) C) and D)

Exam 15: Coasts and Changing Sea Levels

Which of the following is true about how coasts are affected from the water side?

Correct AnswerverifiedShow Answer

If this spit continues to grow, cutting off the lagoon, it will become a

Correct AnswerverifiedShow Answer

What is the primary reason an increase in glaciation on land would cause sea level to fall?

Correct AnswerverifiedShow Answer

Which of the following most likely indicates that sea level has risen relative to the land?

Correct AnswerverifiedShow Answer

With the Sun and Moon in this position, the side of the Earth facing the Moon experiences

Correct AnswerverifiedShow Answer

Which of the following is true about how waves form and break upon the shore?

Correct AnswerverifiedShow Answer

If waves approach the shore at an angle they

Correct AnswerverifiedShow Answer

An increase in the rate of seafloor spreading along this ridge would cause

Correct AnswerverifiedShow Answer

What geologic event is probably indicated by this irregular coast, with estuaries?

Correct AnswerverifiedShow Answer

Climate influences the processes along coastal landscapes by

Correct AnswerverifiedShow Answer

With the Sun and Moon in this position, the side of the Earth facing the moon experiences

Correct AnswerverifiedShow Answer

Sand and other sediment

Correct AnswerverifiedShow Answer

What is probably the least expensive approach for avoiding shoreline hazards?

Correct AnswerverifiedShow Answer

High tides are higher than average and low tides are lower than average when

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

An area will experience high tide

Correct AnswerverifiedShow Answer

This wave-cut platform indicates

Correct AnswerverifiedShow Answer

Which of the following would cause sea level to rise?

Correct AnswerverifiedShow Answer

It has been proposed that the reason that the Pacific Ocean has many more coral reefs than the Atlantic Ocean is that

Correct AnswerverifiedShow Answer

The left to right slope of the small island on the lower right of this photograph tells us that

Correct AnswerverifiedShow Answer

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