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Deep ocean currents flow in a circulation pattern that is


A) north to south.
B) south to north.
C) west to east.
D) east to west.

E) A) and B)
F) B) and D)

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When evaporation at the ocean surface exceeds precipitation,the salinity of seawater


A) increases.
B) decreases.
C) stays the same.

D) None of the above
E) A) and C)

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Movement of air aloft can influence surface air pressure; sometimes air aloft piles up-it converges-causing the surface air pressure to


A) increase and surface winds to blow away from the center of highest pressure.
B) decrease and surface winds to blow away from the center of high pressure.
C) increase and surface winds to blow away from the center of low pressure.
D) decrease and surface winds to blow away from the center of lowest pressure.

E) A) and D)
F) All of the above

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Going from continental land toward the deep ocean basin,the continental margin consists of the


A) slope,the shelf,and the rise.
B) rise,the slope,and the shelf.
C) shelf,the slope,and the rise.
D) shelf,abyssal plain,and the mid-ocean ridge.

E) All of the above
F) A) and B)

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Sand spits are formed from sand


A) carried along the coast by longshore transport.
B) swept up from the seafloor and heaped up along the shore by wave action.
C) swept up from the continental rise.
D) swept into a heap by tidal currents.

E) A) and B)
F) B) and D)

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In the Northern Hemisphere,the Coriolis force causes all free-moving objects in the air to curve


A) to the left of their intended path.
B) to the right of their intended path.
C) counterclockwise to their intended path.
D) clockwise to their intended path.

E) C) and D)
F) A) and B)

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The flow of air in the upper atmosphere is predominantly from


A) east to west.
B) west to east.
C) north to south.
D) south to north.

E) B) and D)
F) A) and C)

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Efforts to curb climate change need to be done on a global scale.There is no "one-size fits all",but efforts must include


A) education,mitigation-preventative measures of reducing CO2 and the shift to cleaner energy sources,and adaptation-reducing society's vulnerability to climate change.
B) more data and research to see if global warming is a real threat.
C) global government cooperation to understand the impacts of global warming.
D) increased reliance on solar energy coupled with terrestrial radiation.

E) A) and B)
F) A) and C)

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When sea ice forms,what happens to the unfrozen water immediately adjacent to the new sea ice?


A) the salinity decreases
B) the density increases
C) the water sublimates
D) the density decreases

E) A) and C)
F) A) and B)

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Earth's original atmosphere was


A) very similar to the atmosphere we have today.
B) rich in both O2 and O3.
C) obliterated after the birth of the Sun.
D) a mixture of N2,CO2,and O3.

E) B) and C)
F) A) and C)

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As ocean currents carry warm water from equatorial regions northward,lands bordering the ocean are warmed.A prime example of such warming is the


A) Doldrums.
B) Coriolis force.
C) Gulf Stream.
D) Horse latitudes.

E) B) and D)
F) A) and D)

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Why are temperature fluctuations greater over land than water?

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The high specific heat capacity of water...

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Air temperature and pressure ________ with increasing elevation and ________ as you approach sea level.


A) decrease; increase
B) increases; decreases
C) cools and thins; warms and thins
D) cools and becomes denser; warms and becomes more dense

E) None of the above
F) C) and D)

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The average salinity of ocean water is


A) 96.5 parts per thousand.
B) 16 parts per thousand.
C) 35 parts per thousand.
D) 3.5 parts per thousand.

E) A) and C)
F) None of the above

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Ocean waves and currents generally form as a result of


A) swells.
B) the rotation of the Earth.
C) differences in ocean density.
D) wind.

E) C) and D)
F) A) and C)

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Earth's earliest atmosphere was most likely composed of hydrogen,helium,


A) oxygen,and nitrogen.
B) methane,and nitrogen.
C) methane,and ammonia.
D) oxygen,and ozone.

E) B) and C)
F) A) and B)

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The variations in the angle at which the Sun's rays strike Earth's surface give us the seasons.Name four physical factors that contribute to the Earth's seasons.(Hint: Think of the big picture.)

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(1)Earth has one source of illumination-...

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What is the significance of the ozone layer?

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The ozone layer acts as a filt...

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The best time for digging clams (when low tide is extra low) is during the time of the


A) new or full moon.
B) half moon.
C) quarter moon.
D) none of these times.

E) All of the above
F) A) and D)

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Irregularities in Earth's surface influence wind patterns.At night,winds blow from a region


A) over the ocean toward land.
B) above land toward the ocean.
C) of high pressure to a region of lower pressure.
D) of high pressure (ex: land) to a region of lower pressure (ex: ocean) .

E) B) and D)
F) All of the above

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