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.
exotic
C.
barchan
D.
pediment
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.
Intense precipitation
D.
Impermeable surfaces
E.
Wind
Question #3
Aeolian processes refer to those involving ________.
A.
chemical weathering
B.
wind
C.
groundwater
D.
running water
E.
ice
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.
reg
D.
erg
E.
relict erg
Question #5
Approximately ________ percent of the coterminous United States is covered by loess.
A.
100
B.
3
C.
1
D.
10
E.
30
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.
playa
B.
gibber
C.
slip face
D.
bajada
E.
self
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 of very small size
C.
are all in the western United States
D.
all drain to the Pacific Ocean
E.
are all in rugged mountain areas
Question #9
The process of shifting loose particles by blowing them into the air or rolling them on the ground is called ________.
A.
deflation
B.
sand motion
C.
the fluvial process
D.
aggradation
E.
the arid cycle
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.
It has happened in the United States.
E.
Overgrazing is a direct cause.
Question #11
Rainfall in deserts ________.
A.
is usually intense and of short duration
B.
is usually associated with slow runoff
C.
lasts for many days when it does come
D.
totals just as much as in humid areas
E.
is incapable of moving much material
Question #12
A fine-grained wind-deposited surface material with extensive deposits in the mid-latitudes is ________.
A.
plinth
B.
erg
C.
loess
D.
inselberg
E.
reg
Question #13
The single most important agent of landscape formation in deserts is ________.
A.
water
B.
solution
C.
geologic uplift
D.
creep
E.
wind
Question #14
The wind-caused etching or pitting of rock surfaces is termed ________.
A.
blow out
B.
deflation
C.
abrasion
D.
traction
E.
slip face
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.
sandstone rocks
B.
multiple sedimentary layers
C.
minimal weathering
D.
massive igneous rocks
E.
massive metamorphic rocks
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