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