A.difference in longitude
B.mid-longitude
C.departure
D.meridian angle
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A.increases in north latitude and decreases in south latitude
B.decreases as DLO increases
C.increases with increased latitude
D.decreases with increased latitude
A.set the vessel to the left
B.set the vessel to the right
C.offer resistance in the form of a head current
D.furnish additional thrust in the form of a fair or following current
A.Canary Current
B.Benguela Current
C.Agulhas Current
D.South Atlantic Current
A.Leeway
B.Leeside
C.Leeward
D.Lee moving
A.List of Lights
B.Coast Pilot
C.Sailing Directions
D.List of Radiobeacons
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For full information regarding the current circulation of the Indian Ocean,（） Sailing Direction,Current Atlas,etc.
At last，the palm trees that fringe the natural harbor of Port Aloahoa come into view on the horizon lit by the setting sun.The meaning of this sentence is that （）.
As these features are not all charted，special caution should be exercised （） vessels navigating in the vicinity.
Lateral movement of the vessel to leeward of its course defines （）.
The Earth has the shape of a(n) （）.
Due to lapse of time the risk in these areas to surface navigation is now considered （）than the ordinary risks of navigation，but a very real risk still exists with regard to anchoring，fishing or any form of submarine or seabed activity.
During daylight savings time the meridian used for determining the time is located farther （）.
The distance between the surface of the water and the tidal datum is the （）.
On a voyage from Halifax,N.S.,to Dakar,West Africa,the Canary Current will （）.
An occulting light is one in which （）.