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.
playa
B.
pediment
C.
barchan
D.
exotic
E.
gibber
Question #2
Of the following, which is the least important in creating most desert landforms around the world?
A.
Lack of vegetation
B.
Prominence of mechanical weathering
C.
Impermeable surfaces
D.
Wind
E.
Intense precipitation
Question #3
Aeolian processes refer to those involving ________.
A.
running water
B.
groundwater
C.
ice
D.
chemical weathering
E.
wind
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.
reg
B.
peneplain
C.
erg
D.
relict erg
E.
wadi
Question #5
Approximately ________ percent of the coterminous United States is covered by loess.
A.
100
B.
10
C.
3
D.
1
E.
30
Question #6
Most desert streamflow eventually ________.
A.
evaporates or seeps into the landscape
B.
runs to the sea
C.
ends many weeks after a rain
D.
flows into an exotic stream
E.
becomes perennial
Question #7
The leeward side of a sand dune is called a ________.
A.
slip face
B.
self
C.
playa
D.
bajada
E.
gibber
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.
are all in rugged mountain areas
C.
all drain to the Pacific Ocean
D.
are all in the western United States
E.
are all drained by the Colorado River
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.
the arid cycle
C.
deflation
D.
sand motion
E.
aggradation
Question #10
Concerning desertification, which of the following is false?
A.
It is a problem in the Sahel.
B.
It is associated with desert margins.
C.
Fortunately, it is a major problem only in Africa.
D.
Overgrazing is a direct cause.
E.
It has happened in the United States.
Question #11
Rainfall in deserts ________.
A.
lasts for many days when it does come
B.
is incapable of moving much material
C.
is usually intense and of short duration
D.
totals just as much as in humid areas
E.
is usually associated with slow runoff
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.
wind
B.
creep
C.
geologic uplift
D.
water
E.
solution
Question #14
The wind-caused etching or pitting of rock surfaces is termed ________.
A.
abrasion
B.
blow out
C.
deflation
D.
traction
E.
slip face
Question #15
The wind rolling pebbles across the desert surface is an example of ________.
A.
traction
B.
abrasion
C.
scree
D.
creep
E.
saltation
Question #16
In arid regions, differential erosion tends to be best developed in areas of ________.
A.
multiple sedimentary layers
B.
massive igneous rocks
C.
minimal weathering
D.
sandstone rocks
E.
massive metamorphic rocks
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