A.cirrus
B.cirrocumulus
C.altostratus
D.cumulonimbus
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A.low barometric pressure
B.high barometric pressure
C.falling barometric pressure
D.pumping barometric pressure
A.high pressures
B.low pressures
C.weak pressures
D.strong pressures
A.check it with a barometer on another vessel
B.take readings from several barometers and average them
C.check it with the barometer at the ship chandlery
D.check it against radio or National Weather Service reports of the immediate vicinity
A.a certain area
B.all ocean areas
C.some areas
D.important areas
A.distance a wave travels between formation and decay
B.stretch of water over which a wave-forming wind blows
C.time in seconds required for two crests to pass a given point
D.measurement of a wave's steepness
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The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
In the Northern Hemisphere，an observer at point II in the weather system should experience a wind shift from the（）.
The passing of a low pressure system can be determined by periodically checking the（）.
When a tornado moves over the water from land it is called a（）.
The wind is（）and decreasing.
Tropical cyclones are classified by form and intensity.Which system does not have closed isobars（）.
Which type of precipitation is a product of the violent convection found in thunderstorms（）.
Two well-developed high pressure areas may be separated by a（）.
The strong wind will make us（）here for some days.
What kind of pressure systems travel in easterly waves（）.