Shaely Chapter 3

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Across
  1. 5. average weather
  2. 9. streams of surface water
  3. 12. replaces naturally
  4. 13. decayed plant or animal
  5. 14. species died out
  6. 16. surroundings
  7. 17. place a plant or animal
  8. 19. semidry grasslands
  9. 20. permanently frozen soil
Down
  1. 1. material of nature
  2. 2. short-term changes in air
  3. 3. area of tall grasses
  4. 4. warm ocean curent
  5. 6. group, plants and animals
  6. 7. wind blow same direction
  7. 8. spread of desert-like area
  8. 10. season dry or moist air
  9. 11. Desert, subarctic, exc.
  10. 15. two air masses collide
  11. 18. resource from remains