854232
Descrição
Quiz por Ricky Elmendorf, atualizado more than 1 year ago
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Criado por Ricky Elmendorf
aproximadamente 10 anos atrás
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Questão 1
Questão
Large waves are generated by
Responda
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Short fetch
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Short duration that wind blows in a given
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Variable wind directions
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None of these
Questão 2
Questão
When waves begin to interact with the seafloor this happens
Responda
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wavelength decreases
-
wave height increasese
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wave steepness decreases and the wave breaks
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Both a and b
Questão 3
Questão
Water moving up the beach after the wave breaks is termed
Responda
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Surf
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Backwash
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breaker
-
swell
Questão 4
Questão
The effect of the concentration of wave energies on headlands is to
Responda
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make the coastline more irregular
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make the coastline straighter
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produce more sand dunes along the coast
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erode the bays
Questão 5
Questão
Groins are usually constructed to
Responda
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stabilize beaches by lessening erosion
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to protect boats along the coast
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to prevent cliff erosion
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to produce a calm environment along the coast for organisms of the sea
Questão 6
Questão
Storm surges result in part from
Responda
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strong winds associated with tsunami
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high atmospheric pressure along the coast associated with storms
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low atmospheric pressure along the coast associated with storms
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all of these
Questão 7
Questão
Lake waves would be largest when
Responda
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winds are strong and fetch is short
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winds are strong and fetch is long
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winds are weak and fetch is short
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winds are weak and fetch is long
Questão 8
Questão
Mid-latitude beaches that have seasonal patterns of erosion and deposition
Responda
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mostly erode during the summer due to strong waves
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grow during winter due to sediment deposition associated with stronger waves
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mostly grow during summer due to sediment deposition associated with weaker waves
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None of these
Questão 9
Questão
Dams on rivers supplying sediment to beaches will result
Responda
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in the growth of the beach
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in erosion of the beach
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in growth or erosion of the beach depending on the season and the amount of water released by the dams
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none of these, dams do not impact beaches
Questão 10
Questão
These two factors are important in the development of dunes next to beaches
Responda
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mostly unidirectional winds, sufficient sand supply
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much vegetation, humid climate
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desert climate, multidirectional winds
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desert climate, mostly unidirectional winds
Questão 11
Questão
These are erosional coastal features
Responda
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Sea caves
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tombolos
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sea cliffs
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wave-cut platforms
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a,c, and d
Questão 12
Questão
Emergent coasts are associated with
Responda
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uplift related to tectonic activity
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rising sea level
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sinking of the land due to tectonic activity
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All of the above
Questão 13
Questão
What caused most coastlines to become submerged over the past 10,000 years?
Responda
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subsidence of land
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sea level rise
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growth of icesheets
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tectonic shifts
Questão 14
Questão
Which of the following is not a result of coastal deposition?
Responda
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baymouth bar
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tombolo
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sea stack
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sandspit
Questão 15
Questão
Regular patterns of smooth, rounded waves are called
Responda
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breakers.
-
wave ripples.
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wave trains
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swells
Questão 16
Questão
Waves in shallow water that "feel bottom" are ________ and more ________ spaced
than the swell they are related to.
Responda
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taller; closely
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taller; widely
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smaller; closely
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smaller; widely
Questão 17
Questão
Wave action works to straighten a coast as wave energy focuses around headlands
and tends to disperse energy in coves and bays in a process called
Responda
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longshore current
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breakers
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wave refraction
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tidal bore
Questão 18
Questão
Particles of sand, gravels, and shells that move along the shore form the
Responda
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Breakers
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longshore current
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beach drift or longshore drift
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translation effects
Questão 19
Questão
When people go surfing or swimming along a coast, they often find—after spending
time in the water—that they are no longer in the area in which they first entered the water.
In other words, they find that they have moved downshore, even though they did not
deliberately move in that direction. This occurs because of
Responda
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tsunamis
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beach drift
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longshore currents
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tidal currents
Questão 20
Questão
Which of the following is false regarding tsunamis?
Responda
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They can travel at a speed of several hundred miles per hour
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They have very long wavelengths in the open ocean
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They are very tall in the open ocean
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They slow down as they approach shore
Questão 21
Questão
Which of the following is not an example of an erosional coastal landform?
Responda
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sea arch
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barrier spit
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wave-cut platform
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notched cliff
Questão 22
Questão
A terrace is
Responda
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an uplifted sea stack
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an uplifted wave-cut platform
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an erosional surface created by a massive tsunami
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an uplifted foreshore dune
Questão 23
Questão
Which of the following is not an example of a depositional coastal landform?
Responda
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Delta
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barrier spit
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bay barrier
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wave cut platform
Questão 24
Questão
Which of the following conditions is not conducive to the formation of barrier islands?
Responda
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tectonically active coasts
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sediment supply from rivers
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low tidal range
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presence of continental shelf
Questão 25
Questão
Sea level rise associated with global warming should be expected to:
Responda
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Increase rates of sediment delivery to deltas
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Increase rates of coastal erosion
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Decrease rates of longshore sediment transport
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Increase deposition on coastal dunes
Questão 26
Questão
Tectonic Forces
Responda
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Erode the surface of the Earth
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Warm, fold, and uplift rock
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Control soil formation processes
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Form sedimentary rock
Questão 27
Questão
Linear lakes forming in East Africa because of what
Responda
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Rifting
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Subduction
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Compression
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Isostatic Uplift
Questão 28
Questão
Which of the following are located along the mid-ocean ridges?
Responda
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Volcanoes
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outcrops of granite
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old oceanic sediments
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evaporite deposits
Questão 29
Questão
The process that describes the depression and rebound of continental crust due to
adding or removing weight is called:
Responda
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continental drift
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seafloor spreading
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Plate tectonics
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Isostacy
Questão 30
Questão
A spontaneous downslope movement of Earth materials driven by gravity is called
Responda
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Erosion
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Weathering
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Mass movement
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Diagenesis
Questão 31
Questão
Rates of erosion are generally greater
Responda
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flat lowlands
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Steep Mountains
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near the mouth of a river
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in dry desert valleys
Questão 32
Questão
Landslides occur when
Responda
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When a threshold is reached
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the internal friction is overcome by the force of gravity.
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when driving forces exceed resisting forces
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All of the above
Questão 33
Questão
Landslides occur when
Responda
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When a threshold is reached
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the internal friction is overcome by the force of gravity.
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when driving forces exceed resisting forces
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All of the above
Questão 34
Questão
Creep involves movement of soil
Responda
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at a rapid speed
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At a slow, almost non-distinguishable pace
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rapidly at first, then slows down
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slowly at first, then rapidly speeds up
Questão 35
Questão
What is the discharge of a river with a depth of 0.5 meters, width of 10 meters and a flow
velocity of 0.5 meters/second
Responda
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2.5 m^3/sec
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0.5 m^2/sec
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5.0 m^2/sec
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25 m^3/sec
Questão 36
Questão
As the discharge of a stream increases, which of the following also happens?
Responda
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As the discharge of a stream increases, which of the following also happens?
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The rate of flow decreases.
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Channel width increases but channel depth decreases.
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Width, depth, and velocity all increase.
Questão 37
Questão
Streams that receive large loads of coarse sediment are likely to have:
Responda
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a) Narrower channels than streams that receive little sediment
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b) Steeper channel slopes than streams that receive little sediment
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c) Frequent large waterfalls
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d) Straight rather than meandering channels
Questão 38
Questão
Floodplains are formed by
Responda
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a) Erosion of valley-side bluffs
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b) Deposition on point bars of meandering streams and by overbank flows
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c) Repeated floods that erode broad flat surfaces.
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d) Chemical weathering at the elevation of the water table
Questão 39
Questão
Which of the following will lead to the development of stream terraces?
Responda
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a) tectonic uplift which steepens channels
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b) decreased sediment yield into the stream
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c) a drop in base level on tributaries of a larger stream
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d) any of the above
Questão 40
Questão
The following are all forms of ablation EXCEPT:
Responda
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a) melting
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evaporating
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calving
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Precipitation
Questão 41
Questão
) The material in a glacial moraine is usually
Responda
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a) sorted by weight.
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b) sorted by size.
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c) sorted by weight and size.
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d) unsorted.
Questão 42
Questão
Which of the following is false regarding the Pleistocene ice sheets in North America?
Responda
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a) At their maximum, they extended only to the present-day Canadian border.
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b) Their maximum thickness was about 2 km (1.2 mi).
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c) They dramatically altered the landscape of much of the U.S.
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d) The edges of the ice sheets were not even; rather, they were characterized by ice lobes that formed curved edges.
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e) They disappeared by 7,000 years ago.
Questão 43
Questão
The average density of the Earth is 5.5 g/cm3
; whereas the average density of
the continental crust is 2.7 g/cm3
and oceanic crust is 3.3 g/cm3
. Which statement best
explains the discrepancy between the densities of the Earth’s crust versus the overall
Responda
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the deeper layers of the Earth are made up of heavier elements such as iron, nickel, and magnesium
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b) the sun’s effect on the density of the Earth’s crust has not been calculated
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c) these numbers change with every earthquake occurrence
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d) adding the moon’s density to the density of the continental and oceanic crusts adds up to Earth’s average density
Questão 44
Questão
At which of the following locations does subduction occur?
Responda
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a) along collision zones between two continents
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b) at sea floor spreading zones
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c) above mantle hot spots
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d) along collision zones between continental and oceanic plates
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