5-3 Human Environment Interactions

4. Renewable energy decreases ____ and, therefore, reduces threats to our health.
5. _____ and agricultural development are causing the wetlands to decline at an alarming rate.
7. After world war 2, there was a ____ boom & the forest service got into the timber business.
11. HIV, terrorism, malaria, war, & drugs did not kill as many people as ____ , 5 years ago.
14. The most common ____ energy sources are wind, solar, biomass, hydro, & geothermal.
16. Renewable energy cannot generate large scale power the same way as ___ ___ .
17. Carbon dioxide can make rainfall slightly ___ , but not as bad as oxides of nitrogen or sulfur dioxide.
19. Renewable energy does not create ____ gas emissions, like fossil fuels.
20. _____ sees a tree as habitat and ecosystem, not as potential lumber.
21. Solar energy only makes power when the ____ is _____ .
22. ____ , dust accumulation, & vehicle emissions are the primary causes for air pollution.

1. Restoring the wetlands involves establishing _____ & removing structures that drain the Wetland.
2. On warm, sunny days _____ is formed, & it is exacerbated by chemicals from vehicles and smoke stacks.
3. Wetlands provide ___ ___ by absorbing excess water during storms.
6. The ___ set a limit on the amount of sulfur dioxide an electric power sector could emit.
8. Climate-diven ____ are the largest contributors to pollution on the West Coast.
9. After ___ ___ 2, there was an increase in cutting because boats & planes use wood products.
10. ___ ____ pump large quantities of oxides of nitrogen and sulfur dioxide into the air.
12. ___ ___ is cutting down trees by stripping an area using heavy machinery.
13. ____ pump large quantities of oxides of nitrogen and sulfur dioxide into the air.
15. A science-driven economic policy has ____ acid rain across the U.S. and Canada.
18. Wetlands filter _____ from water & improved the quality for wildlife, drinking, & recreation.