2474178
Descripción
Test por p4321p4321, actualizado hace más de 1 año
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Creado por p4321p4321
hace más de 9 años
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Pregunta 1
Pregunta
Which of the following is NOT a property of water?
Respuesta
-
Water has the ability to filter out UV light
-
Water is a solvent, allowing many chemicals to dissolve in it.
-
When water freezes into ice, it expands.
-
Water can change its temperature very quickly.
-
All of the above.
Pregunta 2
Pregunta
Global warming can cause all of the following EXCEPT
Respuesta
-
A rise in sea levels
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the lowering of pH of the oceans
-
increased temperature stratification in the oceans
-
increased volcanic activity
-
all choices are consequences of global warming
Pregunta 3
Pregunta
Areas of low air pressure are typically characterized by _________________ air and move toward areas where the air pressure is ___________________.
Respuesta
-
rising, decreasing
-
sinking, increasing
-
rising, increasing
-
sinking, decreasing
-
sinking, not changing
Pregunta 4
Pregunta
Which of the following events occur during an El Nino?
I. Ocean surface temperatures along the North and South American coasts become cooler.
II. Upwellings of cold, nutrient-rich water are suppressed.
III. Prevailing easterly winds weaken.
Respuesta
-
I only
-
II only
-
III only
-
I and III
-
I, II and III
Pregunta 5
Pregunta
Which of the following is LEAST likely to be an effect of global warming?
Respuesta
-
Loss of fertile delta regions for agriculture
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Change in global patterns of precipitation
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Extinction of some species that have narrow temperature requirements
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Decreased rate of photosynthesis in vegetation
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Increased frequency of hurricanes
Pregunta 6
Pregunta
On the pH scale, _____________ is neutral.
Respuesta
-
3
-
4
-
5
-
6
-
7
Pregunta 7
Pregunta
Which of the following statements about hot spot tracks is correct?
Respuesta
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All of the volcanoes making up the track have erupted at roughly the same time.
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The youngest volcano of the track occurs at one end of the track.
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The track is perpendicular to the direction that the plate is moving.
-
Hot spot tracks are parallel to deep ocean trenches.
Pregunta 8
Pregunta
In the Atlantic Ocean, where does the youngest oceanic crust occur?
Respuesta
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along coastlines of the continents
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parallel to the paleo magnetic poles
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adjacent to mid-ocean ridges
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no set rule - could be anywhere in the Atlantic
Pregunta 9
Pregunta
The oldest seafloor rocks are Jurassic in age (~200 million years), which is much younger than the age of Earth (~4.5 billion years). What are there no seafloor rocks older than Jurassic age?
Respuesta
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older seafloor rocks have all been subducted down trenches
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older seafloor rocks have been converted to continental crust
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the oceans are not very old either
-
all of the older seafloor rocks have been subducted at transforms
Pregunta 10
Pregunta
If the earth had no ocean
Respuesta
-
life would be more abundant, since life in the oceans is more "dilute" than life on continents
-
there would be no atmosphere
-
the range of surface temperatures on earth would be much greater than it is now
-
there would be no spreading centers
Pregunta 11
Pregunta
Plate tectonics influences
Respuesta
-
the size and shape of the ocean basins
-
sediment accumulation rates
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circulation in the oceans
-
migration of organisms
-
all of the above
Pregunta 12
Pregunta
The deepest parts of the seafloor tend to be the youngest oceanic crust.
Respuesta
- True
- False
Pregunta 13
Pregunta
The oceanic lithosphere is generated at divergent plate boundaries, whereas
continental lithosphere is generated at convergent plate boundaries.
Respuesta
- True
- False
Pregunta 14
Pregunta
Compared to the Atlantic Ocean, the Pacific has
Respuesta
-
(a) a larger area and greater average depth
-
(b) more trenches and more frequent tsunamis
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(c) more passive continental margins
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a&b
-
a, b & c
Pregunta 15
Pregunta
Which of the following results in an increase of nutrients in surface seawater?
Respuesta
-
increasing sea surface temperature
-
the motion of North Atlantic Deep Water in the vicinity of the Antarctic Divergence
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the motion of Antarctic Bottom Water through the Atlantic Ocean
-
heavy precipitation directly into the ocean at the equator
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formation of Mediterranean Water
Pregunta 16
Pregunta
Coriolis Effect forces water into a “hump”, more or less in the middle of each ocean basin, but is countered by the force of gravity which pulls the water down hill. When these two forces are in balance, the flow of water that is established is known as
Respuesta
-
thermohaline circulation
-
pycnocline
-
centrifugal force
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geostrophic flow
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convection
Pregunta 17
Pregunta
Which of the following is NOT a western boundary current?
Respuesta
-
Agulhas
-
Brazil
-
California
-
Gulf Stream
-
Kuroshio
Pregunta 18
Pregunta
In eastern equatorial Atlantic (P) you would find
Respuesta
-
high salinity
-
frequent hurricanes
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upwelling of cold water
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higher sealevel than at N
Pregunta 19
Pregunta
To the east of point H in the Mediterranean you'd expect to find ___ productivity due to ___
Respuesta
-
low / downwelling
-
low / upwelling
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high / downwelling
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high / upwelling
Pregunta 20
Pregunta
Arrange locations H, N, P, R in order from the lowest salinity to the highest salinity.
Respuesta
-
H, N, P, R
-
N, R, P, H
-
H, N, R, P
-
N, P, R, H
Pregunta 21
Pregunta
Of the following currents, which is strongest, fastest and most intense?
Respuesta
-
J
-
K
-
L
-
M
Pregunta 22
Respuesta
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reaches greater at R than at N
-
is the zone in which respiration proceeds faster than photosynthesis
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becomes deeper when there is a big wind storm like the one we had last week.
-
is the same thing as the pycnocline
-
all of the above
Pregunta 23
Pregunta
At a location, the water column has the temperature and salinity profiles shown to the right. Which surface process could account for these profiles?
Respuesta
-
freezing of sea water
-
evaporation
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melting of glaciers
-
precipitation
Pregunta 24
Pregunta
The warmer the water is, the
Respuesta
-
a) more gases will dissolve in it
-
b) more salts will dissolve in it
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c) faster chemical reactions proceed in it
-
a & b
-
b & c
Pregunta 25
Pregunta
Which of the following is a density driven phenomenon?
Respuesta
-
thermohaline circulation
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hurricane
-
atmospheric circulation
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all of the above
-
none of the above
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