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El Niño is related to coral bleaching.

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Along coastal cliffs, the most effective erosion takes place ________.


A) 5-10 meters above sea level
B) 2 meters above sea level
C) at sea level
D) 2 meters below sea level
E) 5-10 meters below sea level

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The combination of hydraulic pounding, abrasion, and other forces at the base of a sea cliff produces a(n) ________.


A) notch
B) doline
C) lagoon
D) spit
E) atoll

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Waves become ________ when they travel beyond the influence of the wind that generates them.


A) higher
B) breakers
C) swell
D) forced
E) tsunamis

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Which of the following is NOT a beach area regularly covered by water?


A) the berm
B) the foreshore zone
C) the offshore zone
D) the sand
E) the mudflats

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Which of the following coastline EFFECTS is best matched with a CAUSE?


A) sand transport : longshore currents
B) significant erosion : tides
C) beach sand : ocean bottom erosion
D) cliffs : shorelines of submergence
E) barrier islands : rising sea level

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Which of the following coastal features does NOT belong with the others?


A) lagoon
B) mudflat
C) barrier island
D) wave-cut bench
E) spit

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Polyps are the individual creatures making coral.

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Which of the following is NOT associated with beaches?


A) gravel
B) cobbles
C) sand
D) clay
E) sediment

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The distance between one wave crest and the next is known as the ________.


A) trough
B) amplitude
C) fetch
D) wave length
E) oscillation

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A bar which is attached to the land and recurves towards the shore is known as a ________.

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In recent Earth history, submergence has been rare over most of the world's coasts.

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The world's first generation of large amounts of electricity from tidal power was in ________.


A) the United States
B) South Africa
C) China
D) Chile
E) Canada

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The most prominent result of coastal submergence is the ________.


A) drowning of river valleys
B) formation of barrier islands
C) creation of coral reefs
D) creation of cliffs
E) destruction of estuaries

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Only after ________ have attained large size, do they begin to migrate toward the shore.


A) tombolos
B) barrier islands
C) wave-cut cliffs
D) spits
E) none of the above

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Debris in seawater is usually carried ________ along the beach.


A) straight
B) in a zigzag path
C) obliquely
D) at a right angle
E) randomly

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The reverse flow of water down a beach slope is called ________.

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The oceanic tides rise and fall in a rhythmic cycle that takes place roughly once every ________ hours.


A) 4
B) 6
C) 12
D) 18
E) 24

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A group of anthozoan animals is responsible for the formation of ________.


A) beaches
B) coral reefs
C) spits
D) bleached reefs
E) ria shorelines

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Tectonically rising coasts are most closely associated with ________.


A) barrier islands
B) coral reefs
C) marine terraces
D) beaches
E) longshore currents

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