Across
- 4. Power power generated from moving water
- 5. sparse,dry treeless glass land (middle latitudes)
- 8. the process by which feritile land becomes desert
- 11. man-made river connecting two bodies of water
- 12. a region of evergreen,coniferous forest below the Arctic and subarctic tundra regions
- 14. a piece of land that is create by draining water from an area
- 15. the removal of trees faster than forests can replaced themselves
Down
- 1. lake that has lost 80% of water volume from irrigation projects;former USSR
- 2. overall weather in an area over a long period of time
- 3. biome near the equator with warm climate wet weather and lush plant grows
- 6. air pollution by a mixture of smoke and fog
- 7. currents affects the temperature and amount of moisture an area receives
- 9. mixes woodland-grass land biome.short wet, and long dry seasons
- 10. low,middle,high
- 13. the height of land above sea level