Exam 4 quiz questions
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School
University of Nevada, Las Vegas *
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Course
103
Subject
Geography
Date
Dec 6, 2023
Type
docx
Pages
10
Uploaded by BaronJayPerson1015
Quiz 17 attempt 1:
Question 1
2 out of 2 points
A glacier confined in a bowl-shaped recess is known as a(n) _____
Selected
Answer:
cirque
glacier.
Correct
Answer:
cirque
glacier.
Question 2
2 out of 2 points
Approximately, what percentage of the Earth's freshwater is frozen?
Selected
Answer:
75
%
Correct
Answer:
75
%
Question 3
2 out of 2 points
Worldwide, alpine glaciers are presently increasing in size and number.
Selected
Answer:
Fals
e
Correct
Answer:
Fals
e
Question 4
2 out of 2 points
A snowline refers to ________
Selected
Answer:
the lowest line (latitude or elevation) where winter snow
accumulation persists throughout the summer.
Correct
Answer:
the lowest line (latitude or elevation) where winter snow
accumulation persists throughout the summer.
Question 5
2 out of 2 points
A paternoster lake is a singular lake filling a small cirque basin behind
risers of rock material.
Selected
Answer:
Fals
e
Correct
Answer:
Fals
e
Question 6
2 out of 2 points
Which of the following has not been sited as a possible cause of ice sheet
darkening?
Selected
Answer:
sunspot
activity
Correct
Answer:
sunspot
activity
Question 7
2 out of 2 points
The area of sediment deposit by by glaciofluvial action beyond the glacial
terminus is known as the _________
Selected
Answer:
outwash
plain.
Correct
Answer:
outwash
plain.
Question 8
0 out of 2 points
The albedo of the Greenland Ice Sheet has decreased over the past
decade due to ice sheet darkening.
Selected
Answer:
Fals
e
Correct
Answer:
True
Question 9
2 out of 2 points
Approximately, 81% of Greenland and 90% of Antarctica are covered with
ice sheets.
Selected
Answer:
Tru
e
Correct
Answer:
Tru
e
Question 10
2 out of 2 points
The Great Lakes of the United States resulted from repeated glacial
advances and retreats which enlarged and deepened stream valleys to
form the basins of the future lakes.
Selected
Answer:
Tru
e
Correct
Answer:
Tru
e
Quiz 17 attempt 2:
Question 1
2 out of 2 points
Combined, alpine glaciers and ice sheets cover about 10% of the Earth's
land surface.
Selected
Answer:
Tru
e
Correct
Answer:
Tru
e
Question 2
2 out of 2 points
Thawing of permafrost could create a positive feedback loop as vast
amounts of carbon are released into the atmosphere, further amplifying
warming.
Selected
Answer:
Tru
e
Correct
Answer:
Tru
e
Question 3
2 out of 2 points
Drumlins and kettles are examples of alpine glacial landforms.
Selected
Answer:
Fals
e
Correct
Answer:
Fals
e
Question 4
2 out of 2 points
During the Pleistocene, there was as many as 18 glacial advances and
retreats.
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Selected
Answer:
Tru
e
Correct
Answer:
Tru
e
Question 5
0 out of 2 points
Glacial erosion and deposition produce landforms similar to fluvial
processes and are, therefore, difficult to ascertain their origins.
Selected
Answer:
True
Correct
Answer:
Fals
e
Question 6
2 out of 2 points
The accumulation zone of a glacier ends at the ________, which marks the
elevation above which the winter snow and ice remained intact
throughout the summer.
Selected
Answer:
firn
line
Correct
Answer:
firn
line
Question 7
2 out of 2 points
In terms of areal extent, which of the following sequences is ordered from
largest to smallest extent covered?
Selected
Answer:
ice sheet, ice cap, ice field,
alpine glacier
Correct
Answer:
ice sheet, ice cap, ice field,
alpine glacier
Question 8
2 out of 2 points
When several cirque glaciers gauge an individual mountain summit from
all sides, a pyramidal peak known as a ________ results.
Selected
Answer:
hor
n
Correct
Answer:
hor
n
Question 9
2 out of 2 points
The type of glacier that dominates Greenland and Antarctica is an ______
Selected
Answer:
ice
sheet.
Correct
Answer:
ice
sheet.
Question 10
2 out of 2 points
The process of calving produces _____
Selected
Answer:
iceberg
s.
Correct
Answer:
iceberg
s.
Saturday, May 5, 2018 1:56:46 PM PDT
Quiz 18 attempt 1:
Question 1
2 out of 2 points
Soil separates refers to ________
Selected
Answer:
individual mineral particles, such as sand, silt,
and clay.
Correct
Answer:
individual mineral particles, such as sand, silt,
and clay.
Question 2
2 out of 2 points
There is little evidence that human activity has an impact on soils.
Selected
Answer:
Fals
e
Correct
Answer:
Fals
e
Question 3
2 out of 2 points
The horizon in which water moves fine particles downward in a process
called eluviation is the ________ horizon.
Selected
Answer:
E
Correct
Answer:
E
Question 4
2 out of 2 points
Broadleaf trees tend to increase the acidity of soils.
Selected
Answer:
Fals
e
Correct
Answer:
Fals
e
Question 5
2 out of 2 points
The A horizon is also commonly called topsoil.
Selected
Answer:
Tru
e
Correct
Answer:
Tru
e
Question 6
2 out of 2 points
Soils are the foundation of basic ecosystem function and are a critical
resource for agriculture.
Selected
Answer:
Tru
e
Correct
Answer:
Tru
e
Question 7
2 out of 2 points
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A roughly equal mix of sand, silt, and clay is called _______
Selected
Answer:
loa
m.
Correct
Answer:
loa
m.
Question 8
0 out of 2 points
A dark colored soil always indicates high organic content.
Selected
Answer:
True
Correct
Answer:
Fals
e
Question 9
2 out of 2 points
In terms of pedogenic regimes, the process that concentrates salts in
soils in climates with high evapotranspiration is ________
Selected
Answer:
salinizatio
n.
Correct
Answer:
salinizatio
n.
Question 10
2 out of 2 points
________ are among the Earth's most agriculturally significant soils.
Selected
Answer:
Mollisol
s
Correct
Answer:
Mollisol
s
Saturday, May 5, 2018 2:09:30 PM PDT
Quiz 18 attempt 2:
Question 1
2 out of 2 points
Prior to the U.S. Soil Taxonomy system, soils were classified based on
pedogenic regimes.
Selected
Answer:
Tru
e
Correct
Answer:
Tru
e
Question 2
2 out of 2 points
In terms of pedogenic regimes, the process that produces an illuviated
accumulation of calcium carbonate in continental climates is _______
Selected
Answer:
calcificatio
n.
Correct
Answer:
calcificatio
n.
Question 3
2 out of 2 points
In soil science, the term to describe the cohesion of soil particles is ______
Selected
Answer:
consisten
ce.
Correct
Answer:
consisten
ce.
Question 4
2 out of 2 points
The southeast United States is dominated by which soil order?
Selected
Answer:
Ultisol
s
Correct
Answer:
Ultisol
s
Question 5
0 out of 2 points
The horizon in which leached materials from other horizons is
accumulated is the ________ horizon.
Selected
Answer:
A
Correct
Answer:
B
Question 6
2 out of 2 points
A vertical cross section of soil extending from the surface to the deepest
extent of plant root activity or to the regolith and bedrock is known as a
_____
Selected
Answer:
soil
profile.
Correct
Answer:
soil
profile.
Question 7
0 out of 2 points
Soil is composed of 70% mineral matter, 5% organic matter, and varying
amounts of water and air totaling 25%.
Selected
Answer:
True
Correct
Answer:
Fals
e
Question 8
2 out of 2 points
The Soil Taxonomy is a hierarchical system consisting of six categories.
Selected
Answer:
Tru
e
Correct
Answer:
Tru
e
Question 9
2 out of 2 points
Which of the following is among the most mature soils on Earth?
Selected
Answer:
Oxisol
s
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Correct
Answer:
Oxisol
s
Question 10
2 out of 2 points
In terms of pedogenic regimes, the process that results in an
accumulation of humus overlaying a thick, water saturated layer of clay
in cold, wet climates with poor drainage conditions is _________
Selected
Answer:
gleizatio
n.
Correct
Answer:
gleizatio
n.
Saturday, May 5, 2018 2:26:38 PM PDT