Environmental Science 14th Edition by Tyler Miller ,Scott Spoolman

تمرين 1

What is the key concept for this section What is the age structure of a population Explain how age structure affects population growth and economic growth. Describe the American baby boom and some of its economic and social effects. Describe and compare the aging of the U. S. and Chinese populations. What are some problems related to rapid population decline due to an aging population How has the AIDS epidemic affected the age structure of some countries in Africa