A.crossing
B.transit
C.transfer
D.passing
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A.V-shaped ripple with the point of the V pointing upstream
B.V-shaped ripple with the point of the V pointing downstream
C.small patch of smooth water on a windy day
D.smoothing out of the vessel's wake
A.chute
B.stabilized channel
C.slough
D.navigable pass
A.3 hours
B.6 1/2 hours
C.12 1/2 hours
D.25 hours
A.dew
B.frost
C.glaze
D.snow
A.high density will be on the left in the Northern Hemisphere
B.high density will be on the right in the Southern Hemisphere
C.low density will be on the left in the Northern Hemisphere
D.low density will be on the left in the Southern Hemisphere
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Cold water flowing southward through the western part of the Bering Strait between Alaska and Siberia is joined by water circulating counterclockwise in the Bering Sea to form the（）.
The direction of the southeast trade winds is a result of the（）.
A swift current occurring in a narrow passage connecting two large bodies of water which is produced by the continuously changing difference in height of tide at the two ends of the passage is called a(n)（）.
The cold ocean current which meets the warm Gulf Stream between latitudes 40°and 43°N to form the cold wall is called the（）.
In the Northern Hemisphere you are caught in the dangerous semicircle with plenty of sea room available. The best course of action is to bring the wind on the（）.
Advection fog is most commonly caused by（）.
In the Northern Hemisphere，your vessel is believed to be in the direct path of a hurricane，and plenty of sea room is available. The best course of action is to bring the wind on the（）.
In the Northern Hemisphere the major ocean currents tend to flow（）.
The place where a channel moves from along one bank of the river over to the other bank of the river is called a（）.
The horse latitudes are characterized by（）.