United States Physical Crossword Puzzle

3. haze caused by the interaction of ultraviolet solar radiation with chemical fumes from automobile exhausts and other pollution sources
8. Legal proceeding in which a borrower's rights to a property are relinquished due to his or her inability to make payments on the loan
10. The removal of all tress in a stand of timber
11. musical form that developed in the United States in the early 1900s, blending African rhymes and European harmonies
13. A farming method used in dry regions in which crops that are grown rely only on the natural precipitation
14. Process by which a body of water becomes too rich on dissolved nutrients, leading to plant growth that depletes oxygen in the water
15. A mild climate region in the southern and southwestern portions of the united states

1. A network of safe houses in the United States that helped thousands of slaves escape to freedom
2. A channel or pipeline for carrying a large quantity of flowing water.
4. A concentrated region pf manufacturing industries in the northeastern and Midwestern United States
5. A large, and powerful windstorm that forms over warm water
6. A resource formed in the earth by plant and animal remains
7. Economy that emphasizes services and technology rather than industry and manufacturing
9. A large population concentration made up of several large and smaller cities, such as the area between Boston and Washington D.C.
12. Precipitation carrying large amounts of dissolved acids, which kills wildlife and damages buildings, forests, and crops