1. Preserving Resources

2.  a natural resource that can be replaced

3. Renewable Resource

4.  a natural material that is used faster than it can be replaced

5. Nonrenewable Resource

6.  water that is not salty, like water found in streams and lakes

7. Freshwater

8.  to put harmful materials into the air, water, or soil

9. Pollute

10.  water that is not fresh; this covers about 70 percent of the Earth’s surface

11. Salt Water

12.  an area that drains into a common body of water like a river, lake, or ocean

13. Watershed

14.  to save or to keep from being destroyed

15. Preserve

16.  to create new materials from used products

17. Recycle

18.  nonrenewable resources that are burned to create energy, such as coal, oil, and natural gas which are formed underground from remains of living thingsnatural gas

19. Fossil Fuels