a-is found in mountainous regions
Alpine glaciation
a-is found in mountainous regions
b-exists where a large part of a continent is covered by glacial ice
c-is a type of glacier
d-none of the preceding
b-exists where a large part of a continent is covered by glacial ice
Continental glaciation
a-is fouind in mountainous regions
b-exists where a large part of a continent is covered by glacial ice
c-is a glacier found in the subtropics of continents
d-none of the preceding
d-10
At present, about ____% of the land surface of the Earth is covered by glaciers.
a-1/2
b-1
c-2
d-10
e-33
f-50
d-sea ice
Which is not a type of glacier?
a-valley glacier
b-ice sheet
c-ice cap
d-sea ice
b-equilibrium line
The boundary between the zone of accumulation and the zone of ablation of a glacier is called the
a-firn
b-equilibrium line
c-ablation zone
d-moraine
b-the terminus moves upvalley
In a receding glacier
a-ice flows from lower elevations to higer elevations
b-the terminus moves upvalley
c-the equilibrium line moves to a lower elevation
d-all of the preceding
d-past climates
Recently, geologists have been drilling through ice sheets for clues about
a-ancient mammals
b-astronomical events
c-estinctions
d-past climates
b-U
Glacially carved calleys are usually ___ shaped
a-V
b-U
c-Y
d-all of the preceding
f-esker
Which is not a type of moraine?
a-medial
b-end
c-terminal
d-recessional
e-ground
f-esker
d-18,000
The last episode of extensive glaciation in North America was at its peak about ____ years ago.
a-2,000
b-5,000
c-10,000
d-18,000
a-faster
How fast does the central part of a valley glacier move compared to the sides of the glacier?
a-faster
b-slower
c-at the same rate
b-huge lakes
During the Ice Ages, much of Nevada, Utah, and eastern California was covered by
a-ice
b-huge lakes
c-deserts
d-the sea
c-low rainfall
The defining characteristic of a desert is
a-shifting sand dunes
b-high temperatures
c-low rainfall
d-all of the preceding
e-none of the preceding
e-all of the preceding
Which is characteristic of deserts?
a-internal drainage
b-limited rainfall
c-flash floods
d-slow chemical weathering
e-all of the preceding
d-size
The major difference between a mesa and a butte is one of
a-shape
b-elevation
c-rock type
d-size
b-Nevada
The Basin and Range province covers almost all of
a-Utah
b-Nevada
c-Texas
d-Colorado
c-playa
A very flat surface underlain by a dry lake bed of hard, mud-cracked clay is called a
a-ventifact
b-plateau
c-playa
d-none of the preceding
a-ventifacts
Rocks with flat, wind-abraded surfaces are called
a-ventifacts
b-periments
c-bajadas
d-none of the preceding
a-deflation
The removal of clay, silt, and sand particals from the land surface by wind is called
a-deflation
b-depletion
c-depostion
d-abrasion
e-all of the preceding are dunes
Which is not a type of dune?
a-barchan
b-transverse
c-parabolic
d-longitudinal
e-all of the preceding are dunes
a-it is near 30 degrees North
b-the werstern mountains create a rain shadow
c-cold ocean currents in the Pacific cause high evaporation rates in the land
Much of the southwestern United States is desert because (choose as many as apply)
a-it is near 30 degrees North
b-the werstern mountains create a rain shadow
c-cold ocean currents in the Pacific cause high evaporation rates in the land
d-it is a great di
b-a bajada
A broad ramp of sediment formed at teh base of mountains when alluvial fans merge is
a-a playa
b-a bajada
c-a pediment
d-an arroyo
d-desert pavement
A surface layer of closely packed pebbles is called
a-desert varnish
b-deflation
c-a blowout
d-desert pavement
b-orbital
The path a water particle makes as a wave passes in deep water is best described as
a-elliptical
b-orbital
c-spherical
d-linear
b-swim parallel to the shore
The easiest method of escaping a rip current is to
a-swim toward shore
b-swim parallel to the shore
c-swim away from the shore
c-quartz is resistant to chemical weathering
Why is beach sediment typically quartz-rich sand?
a-other minerals are not deposited on beaches
b-quartz is the only mineral that can be sand-sized
c-quartz is resistant to chemical weathering
d-none of the precedimg
a-the movement of sediment parallel to shore when waves strike the shoreline at an angle
Longshore drift is
a-the movement of sediment parallel to shore when waves strike the shoreline at an angle
b-a type of rip current
c-a type of tide
d-the movement of waves
d-all of the preceding
Which structures would interfere with longshore drift?
a-jetties
b-groins
c-breakwaters
d-all of the preceding
a-sand from river sediment brought down to the ocean
What is the most common source of sand on beaches?
a-sand from river sediment brought down to the ocean
b-land next to the beach
c-offshore sediments
e-all of the preceding
Which would characterize an erosional coast?
a-headlands
b-sea cliffs
c-stacks
d-arches
e-all of the preceding
e-barrier islands
Which would characterize a depositional coast?
a-headlands
b-sea cliffs
c-stacks
d-arches
e-barrier islands
a-a fiord
A glacial valley drowned by rising sea level is
a-a fiord
b-an estuary
c-a tombolo
d-a headland
d-all of the preceding
The surf zone is
a-the area in which waves break
b-water less than one-half wavelength in depth
c-where the long longshore current flows
d-all of the preceding
c-the dome of high water in the center of the hurricane
The storm surge of a hurrican is
a-the highest winds
b-the tallest waves
c-the dome of high water in the center of the hurricane
d-the area of hight pressure within the storm
a-natural gas
Which is not a type of coal
a-natural gas
b-lignite
c-bituninous
d-anthracite
d-chromium
Which metal would most likely be found in an ore deposit formed by crystal settling?
a-copper
b-gold
c-silver
d-chromium
a-aluninum
Which metal would not be found in hydrothermal veins?
a-aluninum
b-lead
c-zinc
d-silver
e-gold
c-by compaction of plant material
Coal forms
a-by crystal settling
b-through hydrothermal processes
c-by compaction of plant material
d-on the ocean floor
c-batteries
The main use of lead is in
a-coins
b-gasoline
c-batteries
d-pencils
b-new discoveries
d-new mining technology
What factors can increase reserves of Earth resources (choose all that apply)?
a-extraction of the resource
b-new discoveries
c-price controls
d-new mining technology
c-construction
The largest use of sand and gravel is
a-glassmaking
b-extraction of quartz
c-construction
d-ceramics
a-source rock where oil forms
b-permeable reservoir rock
c-impermeable oil trap
Oil accumulates when the following conditions are met (choose all that apply)
a-source rock where oil forms
b-permeable reservoir rock
c-impermeable oil trap
d-shallow burial