Geography Definitions

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Across
  1. 3. The SI unit for measuring pressure
  2. 4. A piece of plowed land that isn't seeded
  3. 6. Land ________, an illegal method of attaining land
  4. 9. The variety of species occurring in an area
  5. 10. The weather conditions in an area
  6. 11. The salt content in an area
  7. 12. A method of farming used on hills
Down
  1. 1. The area where life occurs
  2. 2. A measure of how little a process damages the environment
  3. 5. Having derived from living matter
  4. 7. A process used to provide water to plants
  5. 8. The species which live in a biome and how they interact