The following questions are based on figure 29-3, a chart showing average annual temperature from 1905 to 2009 in three u. s. cities: nome, alaska; bozeman, montana; and tucson, arizona. physical geography laboratory manual 75 tucson 70 60 50 bozeman 45 figure 29-3: average annual temperature in tucson, arizona; bozeman; montana; and nome, alaska from 1905 to 2009. five-year moving average shown with thick trend line; "best-fit" shown with thin straight line. (data sources: national climate data center nome 30 25 ttt유부 の 。。 center, university of alaska, fairbanks)