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GEOG 103 Ch. 3 Flashcards | StudBud
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GEOG 103 Ch. 3
GEOG 103 Ch. 3
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1
The most important erosional agent is
wind.
decomposition.
snow.
running water.
2
The weakening/breaking of rock via chemical and physical processes:
erosion
mass movement
deposition
weathering
3
What brings magma from deep within the Earth, forming volcanic islands like Hawaii?
Transform fault
Divergent boundary
Subduction zone
Hot spot plume
4
What is the main difference between
effusive
and
explosive
eruptions in terms of
lava viscosity
?
Both involve high viscosity
Both involve low viscosity
Effusive: high viscosity; Explosive: low viscosity
Effusive: low viscosity; Explosive: high viscosity
5
Which of the following statements about karst topography is true?
all are true.
It is found in limestone regions.
It is created by dissolution of rock by a carbonic acid solution in water.
It often results in sinkholes and caverns.
6
The downslope movement of material due to gravity is called
mass movement.
deposition.
weathering.
erosion.
7
Which plate boundary is associated with the formation of the Andes mountains?
subducction: oceanic-continental
collision: continental-continental
hot spot
subduction: oceanic-oceanic
8
What is the erosional force that carved the Grand Canyon?
aeolian (wind)
fluvial (river)
tectonic rifting
glacial ice
9
Which feature is associated with rifting plates?
all are correct.
Red Sea.
Lake Tanganyika.
Mid-Atlantic Ridge.
10
Oceanic crust is generally younger than continental crust.
True
False
11
Which erosional agent is responsible for the formation of sand dunes?
ice.
sun.
wind
water.
12
Which feature is NOT created by a convergent plate boundary?
The Mid-Atlantic Ridge
The Alps
The Himalayas
The Andes Mountains
13
Which process is characterized by the formation of new oceanic crust as tectonic plates move apart at mid-ocean ridges?
Plate convergence
Continental drift
Seafloor spreading
Subduction
14
Japan and the Aleutian Islands are both
volcanic island arcs
volcanic continental arcs
volcanic divergent arcs
volcanic collision arcs
15
Make sure to know (1) tectonics & our landform plate boundaries, (2) volcanism/locations (3) basics of weathering types.
Will do.
Don't tell me what to do.
16
Which of the following processes is most closely associated with "rusting" of rock?
oxidation
hydrolysis
hydration
carbonation
17
Which tectonic processes have primarily influenced the formation of
Iceland
?
Divergent boundary and a hot spot
Transform boundary and volcanic arc
Convergent boundary with a mantle plume
Subduction zone with a hot spot
18
Volcanic island arcs form at subduction zones of which plate boundary?
oceanic-oceanic
continental-continental
transform
oceanic-continental
19
Which is an example of a feature created at a transform plate boundary?
Faults
Rift valleys
High-elevation mountain ranges
Volcanoes
20
The "ring of fire" refers to the location of earthquakes and volcanoes
along the mid-North Atlantic seafloor.
surrounding the Indian Ocean.
along the rim of the Pacific Ocean.
on the Hawaiian Islands.
21
What erosional agent might have deposited these rocks (erratics)?
rivers
glaciers
wave action
wind
22
Oxidation, hydrolysis, and carbonation are forms of _______.
chemical weathering
volcanism
mechanical weathering
diastrophism
23
Which layer of Earth is broken into several tectonic plates?
mantle.
asthenosphere.
lithosphere.
outer core.
