The direction of prevailing winds in the Northern hemisphere is caused by the ______．A.Magnetic field at the North PoleB.Gulf StreamC.Earth's rotationD.Arctic cold fronts
The direction of prevailing winds in the Northern hemisphere is caused by the ______．
A.Magnetic field at the North Pole
B.Gulf Stream
C.Earth's rotation
D.Arctic cold fronts
相关考题：
When a high pressure system is centered north of your vessel in the Northern Hemisphere ______．A.You should experience hot，moist，clear weatherB.The wind direction is generally easterlyC.The winds should be from the southwest at your locationD.The winds should be brisk
Hurricanes may move in any direction．However，it is rare and generally of short duration when a hurricane in the Northern Hemisphere moves toward the ______．A.West or northwestB.NortheastC.SoutheastD.North
The horse latitudes are characterized by ______．A.weak pressure gradients and light，variable windsB.the formation of typhoons or hurricanes in certain seasonsC.steady winds in one direction for six months followed by wind reversal for the next six monthsD.steady winds generally from the southeast in the Southern Hemisphere
FLOATING ， CAUSED BY WINDS AND CURRENT WITH A DETERMINABLE DIRECTION defines______．A.FloatingB.SailingC.Running into dangerD.Drifting
If the center of low pressure is due west of you in the Northern Hemisphere, which wind direction should you expect?A.South to westB.South to eastC.West to northD.North to east
If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position, what winds can you expect in the Northern Hemisphere?______.A.East to northeastB.East to southeastC.North to northwestD.South to southeast
In the Northern Hemisphere a wind is said to veer when the wind ______.A.changes direction clockwise, as from north to east, etcB.changes direction counterclockwise, as from south to east, etcC.changes direction violently and erraticallyD.remains constant in direction and speed
In the Northern Hemisphere, when the center of a high pressure system is due east of your position, you can expect winds from the ______.A.south to eastB.north to westC.north to eastD.south to west
In the Southern Hemisphere winds in a low pressure system rotate in a ______.A.clockwise directionB.northeasterly directionC.northerly directionD.counterclockwise direction
In the Northern Hemisphere, if the center of a high pressure area is due west of you, what wind direction would you expect?______.A.South to westB.South to eastC.North to westD.North to east
单选题The horse latitudes are characterized by（）.Aweak pressure gradients and light，variable windsBthe formation of typhoons or hurricanes in certain seasonsCsteady winds in one direction for six months followed by wind reversal for the next six monthsDsteady winds generally from the southeast in the Southern Hemisphere
单选题In the Northern hemisphere northerly winds may cause temperature（）.AfallingBrisingCconstantDsame
单选题A current will develop between areas of different density in ocean waters. If you face in the same direction the current is flowing，the water of（）.Ahigh density will be on the left in the Northern HemisphereBhigh density will be on the right in the Southern HemisphereClow density will be on the left in the Northern HemisphereDlow density will be on the left in the Southern Hemisphere
单选题FLOATING，CAUSED BY WINDS AND CURRENT WITH A DETERMINABLE DIRECTION defines（）.AFloatingBSailingCDriftingDRunning into danger
单选题Generally speaking，in the Northern Hemisphere，when winds are blowing from between SE and SW the barometric reading（）.Amakes no change at allBis somewhat lower than it would be for winds from a northern quadrantCis uncertain and may fluctuate by increasing and decreasingDis somewhat higher than it would be for winds from the northern quadrant
单选题The direction of prevailing winds in the Northern hemisphere is caused by the（）.AMagnetic field at the North PoleBGulf StreamCEarth's rotationDArctic cold fronts
单选题Monsoons are characterized by （）.Alight，variable winds with little or no humidityBstrong，gusty winds that blow from the same general direction all yearCsteady winds that reverse direction semiannuallyDstrong，cyclonic winds that change direction to conform to the passage of an extreme low pressure system
单选题What is the direction of rotation of tropical cyclones,tropical storms and hurricanes in the Northern Hemisphere?（）AClockwise and outwardBCounterclockwise and inwardCCounterclockwise and outwardDClockwise and inward
单选题When a high pressure system is centered north of your vessel in the Northern Hemisphere（）.AYou should experience hot，moist，clear weatherBThe wind direction is generally easterlyCThe winds should be from the southwest at your locationDThe winds should be brisk
单选题In the Northern Hemisphere a wind is said to veer when the wind（）.AChanges direction clockwise，as from north to east，etcBChanges direction violently and erraticallyCRemains constant in direction and speedDChanges direction counterclockwise，as from south to east，etc
单选题In the Northern Hemisphere，winds veering sharply to the west or northwest with increasing speed are indications that a（）.Acold front has passedBlow pressure center is approachingCstationary front existsDhigh pressure center has passed
单选题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（）.APressure gradientBCoriolis effectCAurora borealisDBallistic deflection
单选题If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position，what winds can you expect in the Northern Hemisphere?（）.AEast to northeastBEast to southeastCNorth to northwestDSouth to southeast
单选题What will a veering wind do（）.AChange direction in a clockwise manner in the Northern HemisphereBCirculate about a low pressure center in a counterclockwise manner in the Northern HemisphereCVary in strength constantly and unpredictablyDCirculate about a high pressure center in a clockwise manner in the Southern Hemisphere
单选题In the Northern Hemisphere，the right half of the storm is known as the dangerous semicircle because（）.Athe wind speed is greater here since the wind is traveling in the same general direction as the storm's trackBthe direction of the wind and seas might carry a vessel into the path of the stormCthe seas are higher because of greater wind speedDAll of the above
单选题Hurricanes may move in any direction．However，it is rare and generally of short duration when a hurricane in the Northern Hemisphere moves toward the（）.AWest or northwestBNortheastCSoutheastDNorth
单选题In the Southern Hemisphere winds in a low pressure system rotate in a（）.Aclockwise directionBnortheasterly directionCnortherly directionDcounterclockwise direction