GEG 111 Exam 4 Questions With Verified
Answers.
Within the deep cold zone, average temperature and salinity - answer✔remain fairly constant
with depth.
When the height of a wave exceeds its vertical stability, the wave is called a - answer✔breaker.
Which of the following is CORRECT regarding mean sea level? - answer✔It is calculated based
on average tidal levels recorded hourly at a given site over a period of many years.
The height of a tsunami grows as it approaches a coastline primarily because - answer✔its
wavelength shortens.
When the Sun and Moon are neither in conjunction or opposition, the ________ tide occurs and
results in the ________ tidal range between low and high tides. - answer✔neap; lowest
When the Sun and Moon are on the same side Earth or on opposite sides of earth, the ________
tide occurs and results in the ________ tidal range between low and high tides. - answer✔spring;
greatest
Particles of sand, gravels, and shells that move along the shore form - answer✔beach drift.
A wave-cut platform is the erosional remnant of a - answer✔cliff.
A major difference between a barrier island and a barrier spit is - answer✔a barrier spit is
connected to the mainland, whereas a barrier island is not.
A shallow saltwater body cut off from the ocean by a bay barrier is known as a - answer✔lagoon.
The destruction of a mangrove swamp might lead to - answer✔loss of species and coastal
erosion
These features block material from blocking harbor entrances. - answer✔Jetties
These features create zones of still water near coastlines. - answer✔Breakwaters
A coral is a type of ________ that secretes ________ to form a hard external skeleton. -
answer✔polyp; calcium carbonate
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An atoll is approximately ________ in shape because it forms ________. - answer✔circular;
around submerged volcanic islands
When coral expel their own nutrient-supplying algae, a phenomena called ________ often
follows. - answer✔bleaching
The term eolian refers to - answer✔erosion, transportation, and deposition by wind.
Desert pavement refers to - answer✔surfaces of concentrated pebbles and gravels.
A depression created by deflation is known as a - answer✔blowout
An extensive area of sand and sand dunes is known as a(n) - answer✔erg desert, or sand sea.
Glacial ice is - answer✔formed from continual accumulation of snow that recrystallizes under its
own weight into an ice mass over a period of many years.
The zone where accumulation balances ablation is known as the - answer✔equilibrium line.
The type of glacier that dominates Greenland and Antarctica is an - answer✔ice sheet.
A general term for a mass of perennial ice, resting on land or floating in the sea attached to a
landmass is - answer✔a glacier.
A long, narrow glacially-eroded inlets in which the sea extends inland are known as -
answer✔fjords.
An extensive, continuous mass of ice occurring on a continental scale is known as a(n) -
answer✔ice sheet.
Vatnajökull is the largest and most voluminous Icelandic glacier. It is roughly circular in shape,
overlays several volcanoes, and covers an area of approximately 8,100 km 2 (3,100 mi 2) with an
average thickness of 400 m (1,300 ft). This glacier is an example of a(n) - answer✔ice cap.
The Patagonia region of Chile and Argentina features a large, elongated glacier approximately 90
km (56 mi) wide and 360 km (224 mi) long. This is an example of a(n) - answer✔ice field
An asymmetrical hill of exposed bedrock produced by plucking and abrasion is known as a(n) -
answer✔roche moutonnée.
A glacier confined in a bowl-shaped recess is known as a(n) - answer✔cirque glacier.
The general term for all glacial deposits is - answer✔glacial drift.
A class of landforms formed by the accumulation of glacial till are known as -
answer✔moraines.