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Currents in the ocean basins of the Northern Hemisphere always run in what direction?


A) counterclockwise
B) clockwise
C) north to south
D) from the equator to the poles
E) from the poles to the tropics

F) None of the above
G) A) and D)

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What is adiabatic cooling?


A) the cooling due to rainfall on windward side of a mountain
B) the cooling due to polar air masses flowing towards the equator
C) cooling due to the decrease in air pressure at higher elevations
D) the cooling due to increased cloud cover at higher elevations

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

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The northern boundary of the distribution of wild madder is defined by


A) areas that never drop below freezing.
B) the 20 \circ Celsius isotherm.
C) the presence of pollinating insects.
D) areas that do not go below 4.5 \circ Celsius.
E) the frequency of low-intensity fires.

F) A) and B)
G) None of the above

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The Earth's surface releases __________ that is absorbed by the atmosphere,stabilizing or raising atmospheric temperature.


A) gamma radiation
B) ultraviolet radiation
C) near-ultraviolet radiation
D) x-rays
E) long-wave infrared radiation

F) B) and E)
G) A) and E)

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   Based on the three cell model of global air circulation shown in the figure above,where would you be most likely to find a plant species that is very drought tolerant,but not cold tolerant? A) between 20<sup> \circ </sup> and 30<sup> \circ </sup> latitude B) between 0<sup> \circ </sup> and 15<sup> \circ </sup> latitude C) between 45<sup> \circ </sup> and 55<sup> \circ </sup> latitude D) between 60<sup> \circ </sup> and 100<sup> \circ </sup> latitude  Based on the three cell model of global air circulation shown in the figure above,where would you be most likely to find a plant species that is very drought tolerant,but not cold tolerant?


A) between 20 \circ and 30 \circ latitude
B) between 0 \circ and 15 \circ latitude
C) between 45 \circ and 55 \circ latitude
D) between 60 \circ and 100 \circ latitude

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

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What substance would you expect to accumulate in soil as a result of increased acid precipitation?


A) Calcium
B) Nitrogen
C) Oxygen
D) Ammonia

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

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Which organism would be most likely to be able to survive rapid global climate change?


A) a tree species with bird dispersed seeds
B) a salamander that inhabits high elevations
C) an insect that can feed upon many different plant species
D) a fish species that depends on coral reefs for food and shelter
E) a bird that lives north of the Arctic Circle

F) A) and B)
G) B) and D)

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The global patterns of atmospheric circulation and precipitation occur because of


A) the cooling of the land.
B) rising masses of warm air and sinking masses of cool air.
C) the greenhouse effect.
D) global differentials in sea surface temperature.
E) winds blowing off of the world's major mountain chains.

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

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In arid terrestrial environments,salt can accumulate in the soil because of


A) the selective uptake of water by plants.
B) the activities of grazing animals.
C) the precipitation of salt from dry air.
D) the secretion of salt by plants.
E) the settlement and evaporation of water.

F) B) and C)
G) C) and E)

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A coastal area has a greater variation in temperature than an area at the same laititude located 20 miles inland.

A) True
B) False

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The Earth is spherical,which causes differences in the intensity of solar radiation at different latitudes (refer to Figure 43.14 ) .The Earth is also tilted on its axis at a 23.5 \circ angle.How do you think this tilt affects the intensity of solar radiation?


A) In the Northern and Southern hemispheres,equal latitudes receive the sun's rays at equal angles year round.
B) The Northern hemisphere has a lower intensity of solar radiation than the Southern hemisphere because it is tilted away from the Sun year round.
C) The sun's rays strike the Northern hemisphere more obliquely during its summer months and less obliquely during its winter months.
D) The Northern hemisphere has a higher intensity of solar radiation than the Southern hemisphere because it is tilted toward the Sun year rounD.
E) The sun's rays strike the Northern hemisphere more obliquely during its winter months and less obliquely during its summer months.

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

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How do corals react when water temperatures are too high?


A) They migrate to areas with lower water temperatures.
B) They slow down their shell-building processes.
C) They expel their symbiotic algae.
D) They reproduce in large numbers.
E) They produce more pigment.

F) A) and D)
G) D) and E)

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