Geography

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Across
  1. 2. a system made up of an ecological community of living things interacting with their environment especially under natural conditions
  2. 4. the outer part of the solid earth consisting of the crust and part of the mantle
  3. 5. of or relating to space
  4. 6. when two people are talking
  5. 8. the surface waters of the earth and the water vapor in the atmosphere
  6. 11. somthing you use to find your way around places you don't know
  7. 12. the part of the world in which life can exist
Down
  1. 1. a place or region newly settled
  2. 3. this place or aerea is man made
  3. 7. the whole mass of air surrounding the earth
  4. 8. a home or place where an animal lives is called a
  5. 9. when a species is threatened with extinction
  6. 10. when a whole species is dead they are