science

2. the value of all products and services produced in a year in that country.
3. visual representations of age structure within a country for males and females.
5. the average number of years that an infant born in a particular year in a particular country can be expected to live.
6. to estimate the impact of human lifestyles on Earth
8. the movement of people into a country.
9. the number of deaths per 1,000 individuals per year.
11. predict that this trend will continue, and that worldwide population growth will be slower this century than the last century.
12. having a lot of wealth such as money, goods, or property.
14. it is also known as age structure diagrams
15. the number of deaths of children under 1 year of age per 1,000 live births.
18. the number of deaths of children under age 5 per 1,000 live births.
19. countries with relatively high levels of industrialization and income.
20. human settlement with a high population density and infrastructure of built environment.
21. countries with relatively low levels of industrialization and income of less than $3 per person per day.

1. occurs when a country's fertility rate declines to or below replacement level yet the population size continues to grow
4. the total fertility rate required to offset the average number of deaths in a population and for the current population size to remain stable.
7. the study of human populations and population trends.
10. the movement of people out of a country.
13. the number of births per 1,000 individuals per year.
16. the regulation of the number or spacing of offspring using birth control.
17. an estimate of the average number of children that each woman in a population will bear.