quiz 6

Topics: Equator, Solstice, Tropic of Cancer Pages: 9 (1256 words) Published: May 23, 2014
Multiple Choice
 
  1. Air may best be described as __________.
      a. an element         
      b. a compound                                       c. a mixture                                           d. none of these
 
  2. Which one of the following is the most abundant gas in the atmosphere?       a. oxygen                                              b. argon                                                c. carbon dioxide                       d. nitrogen

 
  3. With which of the following is dust in the atmosphere associated?       a. reflection of solar energy                    b. optical phenomena such as a red sky at sunset
      c. condensation and cloud formation                   d. all of these
 
  4. Which one of the gases listed below is more important meteorologically (that is, is more important in weather processes) than the others?       a. oxygen                                              b. argon                                                c. carbon dioxide                       d. nitrogen

 
  5. On the AVERAGE, for every 1 km increase in altitude in the troposphere, the air temperature _____.       a. drops about 6.5˚C                              b. rises about 6.5˚C            
      c. remains constant             
      d. rises only during the day
 
  6. Fifty percent of the gases making up the atmosphere are found below __________.       a. 10 miles (16.2 km)          
      b. 6 ½ miles (10.4 km)        
      c. 3 ½ miles (5.6 km)          
      d. 8 miles (12.8 km)
 
  7. The tropopause is the boundary between __________
      a. the troposphere and stratosphere                                            b. tropical and polar air masses
      c. the troposphere and mesosphere                                             d. two layers of high ozone concentration
 
  8. The triatomic form of oxygen (O3) is known as __________.       a. argon                                                            b. ozone                                                c. chlorofluorocarbon          

      d. molecular oxygen
 
  9. Ozone filters out most of the __________ radiation in sunlight.       a. infrared                                             b. gamma                                              c. ultraviolet                                          d. microwave

 
10.  Ozone is concentrated in the __________.
      a. troposphere                                       b. mesosphere                                       c. stratosphere                                      d. ionosphere
 
11.  The lowest layer of the atmosphere is the ___________.       a. troposphere                                       b. mesosphere                                       c. stratosphere                                      d. ionosphere

 
12.  Practically all clouds and storms occur in this layer of the atmosphere.       a. troposphere                                       b. mesosphere                                       c. stratosphere                                      d. ionosphere

 
13.  The normal lapse rate in the troposphere is about __________ per kilometer.       a. 3.5˚C                                                            b. 6.5˚C                                                            c. 1.5˚C                                                            d. 9.5˚C

 
14.  The wavelengths of radiation emitted by Earth are __________.       a. longer than those emitted by the Sun                                       b. shorter than those emitted by the Sun
      c. about the same as those emitted by the Sun                 d. none of these
 
15.  The longest wavelengths on the electromagnetic spectrum are __________.       a. gamma                                              b. ultraviolet                                          c. radio                                                             d. infrared

 
16.  At noon on February...
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