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Beaches are ephemeral in longevity and are very temporary in form.

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Many of the larger barrier islands may have been formed when sea level was lower than today.

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Besides waves, ________ is (are) important to coastal erosion.


A) air forced into cracks in rocks
B) abrasion by water-carried materials
C) solution of rocks
D) crystallization of salts in rock crevices and pores
E) all of the above

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On a coastline with wave-cut platforms, the platforms consist of ________.


A) loose rocks
B) sand
C) silt
D) bedrock
E) lava

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An environmental concern of commercially developing tidal power is ________.

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juvenile f...

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Draw and label a series of three diagrams showing the relationships of a volcanic island to coral reefs as the island emerges and then sinks beneath the ocean.

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Diagram 1:
- Shows a volcanic island em...

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Beach sand moves along the shore in a movement of materials called ________.


A) barrier bar deposition
B) spit organization
C) beach drifting
D) tombolo genesis
E) karst solution

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________ is the location of the highest tides in the world.


A) Canada
B) Tahiti
C) The People's Republic of China
D) South Africa
E) Greece

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The ________ is the area where waves break and surf action is greatest.


A) berm
B) offshore zone
C) beach
D) backshore zone
E) foreshore zone

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________ are most closely associated with a change in the volume of ocean water.


A) Tectonic forces
B) Eustatic forces
C) Erosional forces
D) Tidal forces
E) Gravitational forces

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Most atolls began as ________ around volcanic islands which later subsided beneath the sea.


A) fringing reefs
B) dolines
C) polyps
D) tombolos
E) none of the above

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The Great Barrier Reef is associated with ________.


A) Greenland
B) Australia
C) California
D) Florida
E) South Africa

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The input and output of sediment from a beach is known as ________.

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Coral flourishes best in cool water.

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Water moving roughly parallel to the shoreline is called ________.


A) stream outflow
B) swash
C) a longshore current
D) oblique waves
E) backwash

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Most waves approach the coast parallel to the coast.

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Which of the following is a term associated with coral reefs?


A) barrier
B) fringing
C) atoll
D) motus
E) all of the above

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Cliffs and wave-cut ________ are commonly found occurring together.

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As they travel on the open sea, tsunamis ________.


A) have very short wavelengths
B) can be as tall as 30 meters
C) become taller and taller
D) are inconspicuous
E) move at speeds of 5-10 kilometers per hour

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The Monaco Declaration of October 2008 was related to ________.

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