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The top of the troposphere is called the


A) stratopause.
B) tropopause.
C) mesopause.
D) thermopause.

E) A) and C)
F) B) and C)

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Cloud dissipation results from


A) an inverted lapse rate.
B) hygroscopic nuclei.
C) supercooled vapor.
D) descending air.

E) A) and B)
F) A) and C)

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Which of the following has the smallest albedo?


A) Water
B) Polar ice
C) Fresh snow
D) Dry sand

E) All of the above
F) A) and B)

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Doppler radars at airports are capable of detecting dangerous,downward ______________.

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wind burst...

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Ideally,the wind direction is ______________ to isobars.

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A phenomenon that occurs in the ionosphere is


A) the greenhouse effect.
B) photosynthesis.
C) Rayleigh scattering.
D) auroras.

E) B) and C)
F) A) and B)

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When measuring air temperature,it is best to avoid


A) shade.
B) shadows.
C) direct sunlight.
D) none of these.

E) B) and D)
F) All of the above

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The top of the thermosphere is called the


A) stratopause.
B) tropopause.
C) mesopause.
D) thermopause.

E) A) and B)
F) B) and C)

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Every square inch of our body,at sea level,sustains ______________ of atmospheric pressure.


A) 14.7 lb
B) 1.47 g
C) 14.7 g
D) 1.47 lb

E) A) and B)
F) All of the above

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Which of the following is the most variable constituent of air?


A) Argon
B) Oxygen
C) Water vapor
D) Nitrogen

E) A) and B)
F) B) and C)

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Carbon dioxide is removed from the air by ______________.

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A barometer that does not use mercury is a(n)______________ barometer.

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A wind vane points in the direction ______________ the wind is blowing.

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Meteorologists commonly measure and report (on radio and television)pressure in units of ______________.

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The ______________ lies below the stratosphere.

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The relative humidity is 100% when


A) the psychrometer wet-bulb temperature is depressed.
B) the actual moisture content is equal to the maximum moisture capacity.
C) the air temperature is above the dew point temperature.
D) the air temperature is 100°F.

E) A) and B)
F) A) and C)

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Which of the following gases is a trace natural constituent of the air?


A) CO
B) SO2
C) CO2
D) NO2

E) A) and D)
F) B) and D)

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About 80% of the mass of the atmosphere and most of the clouds and water vapor are located in the


A) stratosphere.
B) troposphere.
C) mesosphere.
D) thermosphere.

E) A) and C)
F) C) and D)

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Which of the following radiations is absorbed in the greenhouse effect?


A) Ultraviolet only
B) Visible only
C) Infrared only
D) All of these

E) None of the above
F) C) and D)

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The troposphere derives energy by means of


A) latent heat of condensation only.
B) absorption of terrestrial radiation only.
C) conduction from Earth's surface only.
D) all of these.

E) A) and D)
F) B) and C)

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