Geog 001 - Physical Geography » Spring 2022 » Chapter 18 Quiz
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Question #1
Rivers like the Nile or Colorado which rise in moist regions and then flow through arid landscapes are called ________ streams.
A.
pediment
B.
exotic
C.
gibber
D.
barchan
E.
playa
Question #2
Of the following, which is the least important in creating most desert landforms around the world?
A.
Wind
B.
Lack of vegetation
C.
Impermeable surfaces
D.
Prominence of mechanical weathering
E.
Intense precipitation
Question #3
Aeolian processes refer to those involving ________.
A.
wind
B.
ice
C.
groundwater
D.
running water
E.
chemical weathering
Question #4
A(n) ________ is a desert which is covered with coarse gravel, pebbles, and boulders and from which all sand and dust have been removed.
A.
wadi
B.
peneplain
C.
erg
D.
reg
E.
relict erg
Question #5
Approximately ________ percent of the coterminous United States is covered by loess.
A.
30
B.
10
C.
100
D.
3
E.
1
Question #6
Most desert streamflow eventually ________.
A.
flows into an exotic stream
B.
runs to the sea
C.
becomes perennial
D.
evaporates or seeps into the landscape
E.
ends many weeks after a rain
Question #7
The leeward side of a sand dune is called a ________.
A.
bajada
B.
gibber
C.
self
D.
playa
E.
slip face
Question #8
A common characteristic of all the basins of interior drainage in the United States is that they ________.
A.
are all drained by the Colorado River
B.
are all in the western United States
C.
all drain to the Pacific Ocean
D.
are all in rugged mountain areas
E.
are of very small size
Question #9
The process of shifting loose particles by blowing them into the air or rolling them on the ground is called ________.
A.
the fluvial process
B.
sand motion
C.
deflation
D.
aggradation
E.
the arid cycle
Question #10
Concerning desertification, which of the following is false?
A.
It is associated with desert margins.
B.
Overgrazing is a direct cause.
C.
It is a problem in the Sahel.
D.
Fortunately, it is a major problem only in Africa.
E.
It has happened in the United States.
Question #11
Rainfall in deserts ________.
A.
is usually associated with slow runoff
B.
totals just as much as in humid areas
C.
is incapable of moving much material
D.
is usually intense and of short duration
E.
lasts for many days when it does come
Question #12
A fine-grained wind-deposited surface material with extensive deposits in the mid-latitudes is ________.
A.
plinth
B.
loess
C.
inselberg
D.
erg
E.
reg
Question #13
The single most important agent of landscape formation in deserts is ________.
A.
creep
B.
solution
C.
geologic uplift
D.
wind
E.
water
Question #14
The wind-caused etching or pitting of rock surfaces is termed ________.
A.
abrasion
B.
traction
C.
deflation
D.
blow out
E.
slip face
Question #15
The wind rolling pebbles across the desert surface is an example of ________.
A.
creep
B.
traction
C.
saltation
D.
abrasion
E.
scree
Question #16
In arid regions, differential erosion tends to be best developed in areas of ________.
A.
multiple sedimentary layers
B.
minimal weathering
C.
sandstone rocks
D.
massive metamorphic rocks
E.
massive igneous rocks
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