A) where oceans are deepest,allowing for sufficient mixing.
B) along the equator where the sun's rays are most direct.
C) at the subtropics because descending air promotes clear skies.
D) at the poles where long days during the summer warm the water.
Correct Answer
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Multiple Choice
A) pressures are low in Darwin,pressures are also lower in Tahiti.
B) pressures are high in Tahiti,pressures are also high in Darwin.
C) pressures are high in Darwin,pressures are lower in Tahiti.
Correct Answer
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Multiple Choice
A) the leading edge of the cold Kelvin wave finally reaches the eastern coast of South America.
B) cold water spreads out away from the equator,bringing warm upwelling waters from depth.
C) cold water converges on the equator,bringing cold upwelling waters from depth.
D) warm water spreads out away from the equator,bringing cold upwelling waters from depth.
Correct Answer
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Multiple Choice
A) At 45° N in the Northern Hemisphere
B) At 45° S in the Southern Hemisphere
C) Along the equator of the Western Continent
D) Near the center of the Eastern Continent
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Multiple Choice
A) warming of an otherwise cold current,which brings heavy rain and flooding.
B) cooling of an otherwise cold current,which brings heavy rain and flooding.
C) warming of an otherwise cold current,which brings high temperatures and drought.
D) cooling of an otherwise warm current,which brings high temperatures and drought.
Correct Answer
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Multiple Choice
A) neutral ENSO.
B) La Niña.
C) El Niño.
D) La Niña and El Niño.
Correct Answer
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Multiple Choice
A) A
B) B
C) C
D) D
Correct Answer
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Multiple Choice
A) less; cooler
B) less; warmer
C) greater; cooler
D) greater; warmer
Correct Answer
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Multiple Choice
A) A
B) B
C) C
D) D
Correct Answer
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Multiple Choice
A) A; C
B) A; D
C) C; A
D) C; B
Correct Answer
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Multiple Choice
A) stable conditions creating abundant rain.
B) unstable conditions creating abundant rain.
C) upwelling conditions created by highly saline surface waters.
D) upwelling conditions created by freshwater surface waters.
Correct Answer
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Multiple Choice
A) Trade winds
B) Westerlies
C) Polar easterlies
D) No winds
Correct Answer
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Multiple Choice
A) the north of the Isthmus,and winds blow across the Isthmus,from the northeast.
B) the north of the Isthmus,and winds blow across the Isthmus,from the southwest.
C) the south of the Isthmus,and winds blow across the Isthmus,from the southwest.
D) the south of the Isthmus,and winds blow across the Isthmus,from the northeast.
Correct Answer
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Multiple Choice
A) Sea-surface temperatures
B) Wind directions and strengths
C) Populations of salmon
D) Lengths of glaciers
E) All of these choices are correct
Correct Answer
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Multiple Choice
A) A
B) B
C) C
D) D
Correct Answer
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Multiple Choice
A) A.
B) B.
C) C.
D) D.
Correct Answer
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Multiple Choice
A) westward moving winds weaken,causing the mound of warm water in the western Pacific to move eastward.
B) eastward moving winds weaken,causing the mound of warm water in the western Pacific to move eastward.
C) westward moving winds strengthen,causing the mound of warm water in the western Pacific to move eastward.
D) westward moving winds weaken,causing the mound of warm water in the western Pacific to move westward.
Correct Answer
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Multiple Choice
A) weakening the orographic effect on the Caribbean side of the Isthmus.
B) warming the waters on the Caribbean side of the Isthmus.
C) weakening the rain-shadow effect on the Pacific side of the Isthmus.
D) enhancing the rain-shadow effect on the Pacific side of the Isthmus.
Correct Answer
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Multiple Choice
A) A
B) B
C) C
D) D
Correct Answer
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Multiple Choice
A) California Current
B) Gulf Stream
C) Antarctic Circumpolar Current
D) North Equatorial Current
Correct Answer
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