SPELLING #4

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Across
  1. 4. season of the year
  2. 5. estimate
  3. 7. for trees and some animals
  4. 13. enough or sufficient
  5. 14. dimensions of height, width and length
  6. 16. living in water
  7. 17. surroundings
  8. 18. stream of flowing water
Down
  1. 1. skin falling off
  2. 2. large marine animals
  3. 3. countries
  4. 4. a protection from bad weather
  5. 6. caused by nature
  6. 7. oppsite of stale
  7. 8. relating to the world
  8. 9. opposite of deep
  9. 10. place where animals and humans live
  10. 11. area where water covers land
  11. 12. large body of seas
  12. 15. body of water surrounded by land