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.
barchan
B.
exotic
C.
playa
D.
gibber
E.
pediment
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.
wind
B.
chemical weathering
C.
running water
D.
ice
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.
peneplain
B.
reg
C.
erg
D.
relict erg
E.
wadi
Question #5
Approximately ________ percent of the coterminous United States is covered by loess.
A.
1
B.
30
C.
100
D.
3
E.
10
Question #6
Most desert streamflow eventually ________.
A.
runs to the sea
B.
flows into an exotic stream
C.
evaporates or seeps into the landscape
D.
becomes perennial
E.
ends many weeks after a rain
Question #7
The leeward side of a sand dune is called a ________.
A.
self
B.
slip face
C.
bajada
D.
gibber
E.
playa
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.
are all in the western United States
D.
are all drained by the Colorado River
E.
all drain to the Pacific Ocean
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.
aggradation
C.
sand motion
D.
deflation
E.
the fluvial process
Question #10
Concerning desertification, which of the following is false?
A.
It has happened in the United States.
B.
It is associated with desert margins.
C.
It is a problem in the Sahel.
D.
Fortunately, it is a major problem only in Africa.
E.
Overgrazing is a direct cause.
Question #11
Rainfall in deserts ________.
A.
is incapable of moving much material
B.
lasts for many days when it does come
C.
is usually associated with slow runoff
D.
totals just as much as in humid areas
E.
is usually intense and of short duration
Question #12
A fine-grained wind-deposited surface material with extensive deposits in the mid-latitudes is ________.
A.
inselberg
B.
reg
C.
erg
D.
plinth
E.
loess
Question #13
The single most important agent of landscape formation in deserts is ________.
A.
water
B.
geologic uplift
C.
wind
D.
creep
E.
solution
Question #14
The wind-caused etching or pitting of rock surfaces is termed ________.
A.
deflation
B.
slip face
C.
blow out
D.
traction
E.
abrasion
Question #15
The wind rolling pebbles across the desert surface is an example of ________.
A.
creep
B.
scree
C.
abrasion
D.
traction
E.
saltation
Question #16
In arid regions, differential erosion tends to be best developed in areas of ________.
A.
massive igneous rocks
B.
minimal weathering
C.
massive metamorphic rocks
D.
sandstone rocks
E.
multiple sedimentary layers
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