Unit 2

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