Chapter 1 Sections 1 & 2

3. Resource Can be replaced relatively quickly by natural processes
5. of Supply and Demand States that the greater the deman for a limited supply the more the thing is worth
6. Can be broken down by natural processes
8. Resources A resource that can be replaced through natural process
10. Footprint The productive area of the land needed to support one person
11. Period Obtained food by collecting plants and hunting wild animals
12. Depletion A large fraction of the resources have been used up
14. The number and variety of species that live in an area
15. Practice of growing, breeding, and caring for plants and animals
17. Resource Resource that forms at a much slower rate than the rate it is consumed
18. An undesired change in air, water, or soil that has bad affects

1. Revolution Practice of growing, breeding, domesticating animals
2. Revolution Shift from energy sources to fossil fuels
4. Condition in which human needs are met indefinately
7. Nation Higher average incomes, slower population growth
9. Science Study of humans and their interaction on the environment
13. Nation Lower average incomes ,agriculture-based economies
16. Study of living things and how they interact with each other and their nonliving environment