2-32. Which   of   the   following   statements   defines Earth’s secondary circulation? 1. The  circulation  is  created  and  maintained by    the    effect    of    Earth’s    non-uniform surface and composition 2. The   circulation   is   created   by   thermal differences in the atmosphere 3. It is that portion of the tertiary circulation caused   by   thermal   differences   between land and water 4. The  circulation  is  created  and  maintained by   the   effects   of   Earth’s   non-uniform surface and composition and Earth’s thermal differences 2-33. Centers of action are created by 1. wind 2. seasonal temperature differences 3. temperature differences between land and water 4. pressure belts 2-34. What is the name given to the permanent and semi-permanent high- and low-pressure cells? 1. Thermal cells 2. Migratory cells 3. Centers of action 4. Primary circulations 2-35. Some  centers  of  action  disappear  at  certain times of year. 1. True 2. False 2-36. In winter, what pressure systems are found in the   Northern   Hemisphere   over   Siberia,   the eastern Pacific Ocean, and the eastern Atlantic Ocean? 1. High pressure at all three locations 2. Low  pressure  covers  Siberia,  while  high pressure  is  found  over  the  eastern  Pacific and Atlantic 3. Low pressure at all three locations 4. High  pressure  covers  Siberia,  while  low pressure  is  found  over  the  eastern  Pacific and Atlantic 2-37. How are the subtropical high-pressure systems affected, if at all, by seasonal changes? 1. They  are  weaker  in  summer  and  farther poleward 2. They  are  stronger  in  summer  and  farther poleward 3. They  are  stronger  in  summer  and  nearer the equator 4. They are not affected 2-38. Which  of  the  following  pressure  systems  is NOT classified as a center of action? 1. Aleutian low 2. Bermuda high 3. Polar high 4. Hatteras low 2-39. Where   is   the   largest   individual   secondary circulation  cell  in  the  Northern  Hemisphere located? 1. North American continent 2. Asian continent 3. African continent 4. European continent 2-40. Migratory  wind  circulations  are  not  classified as centers of action. Why? 1. They are seasonal 2. They are not as intense 3. They are found only in midlatitudes 4. They   are   not   persistent   in   location   or intensity 2-41. Pressure-system movement, shape and intensity are dependent on what factor? 1. Circulation 2. Temperature 3. Height 4. Thickness 2-42. An  anticyclonic  circulation  in  the  Southern Hemisphere whose temperature pattern is such that   colder   temperatures   are   located   at   the circulation center is known as a 1. warm-cored low 2. warm-cored high 3. cold-cored low 4. cold-cored high 10