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Study Guide Quiz
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1

The layer of the atmosphere in which weather occurs is the
A)mesosphere
B)stratosphere
C)thermosphere
D)troposphere
2

The study of weather and weather patterns is called
A)atmospherics
B)climatology
C)meteorology
D)hydrology
3

Chlorofluorocarbons (CFCs) are considered to be among the worst pollutants because
A)they reduce the total insolation reaching the earth's surface
B)CFCs break down ozone molecules and weaken the ozone shield
C)CFCs are partly responsible for acid rain
D)CFCs destroy the ionosphere and thus interfere with long-distance radio communication
4

Clouds are sometimes seeded to
A)cause them to dissipate
B)induce them to produce rain
C)cause them to rise higher into the atmosphere
D)cause them to produce lightning over uninhabited areas
5

The noon sun is lowest in the sky in the northern hemisphere and the period of daylight is shortest on about
A)December 22
B)March 21
C)June 22
D)September 23
6

Winds form in response to the
A)uneven heating of the earth's surface
B)rotation of the earth on its axis
C)coriolis effect
D)friction between ocean currents and the atmosphere
7

Seasonal large-scale sea and land breezes associated with pronounced wet and dry seasons are called
A)doldrums
B)westerlies
C)trade winds
D)monsoons
8

Which one of the following cloud types is normally associated with a cold front?
A)nimbostratus
B)cirrostratus
C)altostratus
D)cumulonimbus
9

Cold fronts typically
A)move faster than warm fronts
B)are less steep than warm fronts
C)produce little or no precipitation
D)have less of a temperature difference between opposing air masses
10

According to the Milankovitch theory of climatic change
A)the sun's 11-year sunspot cycle is responsible for most climatic change
B)the increase in atmospheric CO2 has enhanced the greenhouse effect, resulting in global warming
C)changes in sea level are responsible for climatic change
D)variations in the amount of insolation reaching the polar regions in summer result in climatic change
11

Of the following divisions of the ocean floor, which is directly adjacent to a continental land mass?
A)continental shelf
B)continental rise
C)continental slope
D)abyssal plain
12

The ocean basins average ___________ km in depth.
A)11
B)3.7
C)0.8
D)2.4





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