Age 75+ Male Female 70-74 Male Female 65-69 60-64 55-59 50-54 45-49 40-44 35-39 30-34 25-29 20-24 15-19 10-14 0-4 20 16 12 8 4 0 12 16 20 20 16 12 8 4 0 4 8 12 16 20 Percent of Total Male/Female Population Percent of Total Male/Female Population Country A Country B 5-9 The population pyramids above represent two countries at different stages of the demographic transition and economic development. A. Explain the demographic characteristics of Country A with respect to the demographic transition model. B. Explain the demographic characteristics of Country B with respect to the demographic transition model. C. Identify ONE positive impact of Country A's population structure on its economic development. D. Identify ONE positive impact of Country B's population structure on its economic development. E. Describe ONE negative impact of Country A's population structure on its economic development. E Describe ONE negative impact of Country B's population structure on its economic development. G. Define "demography".