Climate:Desert and Boreal

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Across
  1. 1. economic activity in the taiga
  2. 4. interior of cactus is like this
  3. 5. coniferous forest of the boreal lands
  4. 7. anohter word for coniferous
  5. 8. country with boreal climate
  6. 10. these winds are cold
  7. 12. way to describe skies at night in the desert
  8. 15. another word for plants etc
  9. 16. desert plant with waxy skin
  10. 17. name given to permanently frozen land
Down
  1. 2. desert plant has these to swell and hold more water
  2. 3. desert regions are in the path of these
  3. 4. large desert in North Africa
  4. 6. way to describe desert climate
  5. 9. snow rain hail
  6. 11. desert plant having long tap roots
  7. 13. when the northern hemisphere is tilted towards the sun
  8. 14. slope of coniferous branches