Question 7 you want to symbolize the proportion of the population ages 50-64 as part of the total population you would use the following in the symbology tab of the polygon layer's properties window a quantities graduated colors. value age_50_64. normalization: pop2000 ob quantities graduated colors, value pop2000. normalization: age_50_64 c categories, unique values, many fields, value fields: age_50_64 pop2000 od charts, ple, field selection: age_50_64, pop2000 none of the above is correct questions you want to show the percentages of energy sources used by individual countries (fossil fuels, nuclear power, alternative sources other). which would be the best symbology type? a bar chart b graduated symbol c pie chart d chloropleth elsarithmic