Winds And Ocean Currents/El Nino/La Nina Test Question Preview (ID: 1191)


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Local winds
a) are created because of the Hadley cells.
b) are narrow belts of high speed winds.
c) move short distances and blow from any direction.
d) move long distances and follow a certain pattern across the earth.

During a La Nina year the
a) Trade Winds strengthen which brings up more cold water.
b) ocean surface temperatures of the Equatorial Pacific get warmer.
c) Trade Winds weaken which brings up less cold water.
d) Trade Winds strengthen which brings up more warm water.

El Nino happens because
a) Trade Winds weaken which doesn't bring up the cold water.
b) Trade Winds strengthen which doesn't bring up the cold water.
c) Trade Winds strengthen which brings up warm ocean water.
d) Trade Winds make the water cold.

What are the areas at about 30 degrees north and 30 degrees south latitude where sinking air creates an area of high pressure and very little wind?
a) doldrums
b) Hadley cells
c) Ferrel cells
d) horse latitudes

Which of the following is not true about ocean currents?
a) Winds affect ocean currents.
b) Locations of continents are not important for ocean currents.
c) Ocean currents can affect climate.
d) Ocean currents can be cold from the poles or warm from the tropics.

The westerlies are the
a) wind belts between the equator and 30 degrees latitude in both the Northern and Southern Hemispheres.
b) winds belts that blow towards the west.
c) wind belts between 30 degrees and 60 degrees latitude in both the Northern and Southern Hemispheres.
d) wind belts between the poles and 60 degrees latitude in both the Northern and Southern Hemispheres.

Because of the Coriolis Effect,
a) the winds in the northern hemisphere curve to the right and the winds in the southernn hemisphere curve to the left.
b) the winds in the northern hemisphere curve to the west and the winds in the southern hemisphere curve to the east.
c) the winds in the northern hemisphere curve to the south and the winds in the southern hemisphere curve to the north.
d) the winds in the northern hemisphere curve to the left and the winds in the southern hemisphere curve to the right.

At the equator (0 degrees latitude) there is a low pressure belt called the
a) polar easterlies
b) jet streams
c) horse latitudes
d) doldrums

What are narrow belts of high speed winds in the upper atmosphere that do not follow regular paths around the earth.
a) mountain winds
b) jet streams
c) trade winds
d) polar easterlies

Differences in ________________________ create wind.
a) altitude
b) atmosphere
c) humidity
d) pressure

The Gulf Stream
a) cannot affect climate.
b) Brings cold water from the Gulf of Mexico.
c) Brings warm water from the Gulf of Mexico across the Atlantic to high latitudes.
d) Brings warm water from the poles.

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