Geography 1111 Test 3

Coral bleaching refers to a.)the loss of algae from the coral b.)the killing of coral formations by chlorine bleach pollution c.)the replacement of normal, colored algae by white algae d.)all of these are included within the definition of coral bleaching

a.) the loss of algae from the coral

Rocks that appear pitted and grooved, and sometimes polished smooth by eolian processes, are termed a.)ventifacts b.)alluvium c.)yardangs d.)desert pavements

a.) ventifacts

Wave action works to straighten a coast as wave energy focuses around headlands and tends to disperse energy in coves and bays in a process called a.)wave refraction b.)tidal bore c.)longshore current d.)breakers

a.) wave refraction

Kettle lakes are formed by

ice that melts after being buried by sediment

Which of the following is correct regarding worldwide sea level? a.)it was about 130m lower 18,000 B.P., and about 10-20cm lower 100 y/ago b.)changes seem to occur without any relation to global average temperatures c.)over the long term, levels have been very constant d.)changes in sea level are usually unrelated to tectonic processes

a.) it was about 130m lower 18,000 B.P, and about 10-20cm lower 100 years ago

After water itself, what are the primary elements which occur in sea water? a.)potassium and chlorine b.)hydrogen and sodium c.)chlorine and sodium d.)sodium and magnesium

c.) chlorine and sodium

Cimate change is responsible for pluvial lake formation because a.)ice sheet b.)jet stream c.)elevated temps d.) all the above e.) both a and b

e.) both a and b

A winding hill of sorting sands is called ______ and gravel deposited by _______

esker; continental glacier

The sandblasting action of wind-blown particles is called a.)deflation b.)abrasion c.)grinding d.)saltation

b.) abrasion

Particles of sand, gravels, and shells that move along the shore form the a.)breakers b.)beach drift c.)longshore current d.)translation effects

b.) beach drift

Given present global warming trends and predicted climate change for the next century, sea level is estimated to rise a.)in an amount unrelated to the temperature of the ocean b.)between .18-.59m c.)in a way that will not threaten coastal inhabitants d.)more than 30m

b.) between .18-.59m

Near the shore, waves of transition begin to "feel bottom" and, as a result, the orbits of the water molecules in the wave become more ____. This process eventually causes _____ to form. a.)elliptical;swells b.)elliptical;breakers c.)circular;swells d.)circular;breakers

b.) elliptical; breakers

A general term for the coastal environment is a.)shoreline b.)littoral zone c.)coastline d.)coast

b.) littoral zone

During the past ice age, landmasses were generally a.)more exposed to the atmosphere b.)pressed down into the asthenosphere by the load of ice c.)unaffected by the climactic conditions of the time d.)elevated, because ice is lighter than rock

b.) pressed down into the asthenosphere by the load of ice

Coral formations a.)tend to occur poleward of 30 degrees latitude b.)survive in a broad ecological range because they are tolerant of temperature, salinity, and depth variation c.)are made of animals living symbiotically with simple algae d.)require water that is high in sediment concentration

c.) are made of animals living symbiotically with simple algae

The term eolian refers to a.)weathering and mass movement in humid regions b.)stream-related processes c.)erosion, transportation, and deposition by the wind d.)glacial processes in areas outside the polar regions

c.) erosion transportation, and deposition by the wind

Regular patterns of smooth, rounded waves are called a.)wave ripples b.)breakers c.)swells d.)wave trains

c.) swells