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JCCC EVFN 124 Exam Two Questions and Answers 100% Accurate
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JCCC EVFN 124 Exam Two
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JCCC EVFN 124 Exam TwoThe turbulent layer of Earth's atmosphere in which nearly all weather occurs is called
the ____. - answer Troposphere
Weather may be defined as ____. - answer Short-term, localized states of the
atmosphere
The long-term statistical sum of weather in a geographic region is called ____. - answer
Climate
The volume of gases, water vapor, and airborne particles that envelops Earth is the
____. - answer Atmosphere
Which of the following statements is true with regard to air? - answer Warm air is less
dense than cold air.
Warm air ____ and cool air ____. - answerExpands and rises; contracts and sinks
The most abundant gaseous components of Earth's atmosphere are ____. -
answerNitrogen and oxygen
Seasons are caused by ____ - answerEarth's orbital tilt relative to the plane of its orbit
around the sun
One of the driving forces of atmospheric circulation is ____. - answerEarth's uneven
solar heating
Which statement is true regarding the solar heating of Earth? - answerAt the equator,
more incoming solar radiation is absorbed than is reflected.
Sunlight strikes polar latitudes at a ____ angle, spreading the incoming heat over a
large area. - answerLow
In the world model of atmospheric circulation, the ____ cells are located nearest to the
equator. - answerHadley
The Coriolis effect causes objects moving in the northern hemisphere to veer off course
____. - answerTo the right, or clockwise when viewed from above
The atmospheric circulation cells that operate in the mid-latitudes are called ____ cells.
- answerFerrel
, According to the atmospheric circulation model developed in the text, air tends to ____.
- answerRise at 60° north and fall at 30° north
There are ____ major atmospheric circulation cells in each hemisphere of Earth. -
answerThree
Calm equatorial areas of low pressure are referred to as the ____. - answerDoldrums
The dependable surface winds of Earth centered at about 15° north and south latitudes
are called the ____. - answerTrade winds
A ____ is a pattern of wind circulation that changes with the seasons and generally
results in wet summers and dry winters in parts of Africa and Asia. - answerMonsoon
The boundary between two air masses of different densities is called a ____. -
answerFront
The power for tropical cyclones comes from ____. - answerThe condensation of warm,
moist air
Extratropical cyclones typically form ____. - answerAt high latitudes, at the junction
between the polar cells and the Ferrel cells
Which of the following conditions contributed most to the destructive nature of Hurricane
Katrina? - answerVery strong winds, up to 125 miles per hour
The uneven heating of the surface of Earth results in atmospheric convection currents. -
answerTrue
Due to the Coriolis effect, objects are deflected to the right or clockwise in the Northern
Hemisphere. - answerTrue
The most intense summer monsoons occur in Asia. - answerTrue
Cyclonic storms can form within or between air masses (a large body of air with a
uniform density throughout). - answerTrue
Tropical cyclones are most common in the equatorial South Atlantic. - answerFalse
Superstorm Sandy was the result of a collision between a nor'easter and an
extratropical cyclone. - answerFalse
The mass flow of ocean water that is driven by wind or gravity is referred to as ocean
____. - answerCurrents
The primary force responsible for surface currents is ____. - answerWind
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