"Six Degrees" Vocabulary

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Across
  1. 1. the present epoch
  2. 3. soil horizon
  3. 4. a soluble salt
  4. 7. single-celled alga
  5. 8. water vapor above a heat source
  6. 10. ancient writing system
  7. 14. take away trees
  8. 17. a supercontinent
  9. 18. loose stones on a mountain
Down
  1. 1. extreme hurricane
  2. 2. single-celled flagellate
  3. 4. ridge-shaped stratified rock
  4. 5. growing plants without soil
  5. 6. defensive wall
  6. 9. renewing forest cover
  7. 11. clay particles from the wind
  8. 12. single-celled planktonic animal
  9. 13. frozen soil
  10. 15. tides discoloration of seawater by a bloom of toxic red dinoflagellates
  11. 16. redeposited rocks