Augusts CW puzzle.

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Across
  1. 2. the opposite of cold.
  2. 4. the opposite of thin
  3. 7. a giant wave that can submerge cities.
  4. 9. June, July, August are all months of ...
  5. 12. A country that is next to Greenland (it has ice in its name).
  6. 13. the opposite of deep.
  7. 15. The opposite of indoor.
  8. 17. it's all over the beach.
  9. 18. the opposite of demolish, it rhymes with hate.
  10. 19. Antarctica is made of ...
  11. 20. Niagara falls is a ...
Down
  1. 1. It rhymes with consuela, it's a country in central America.
  2. 3. what is 87F° and 26C°?
  3. 5. a country that borders with the USA.
  4. 6. the opposite of plus (+).
  5. 8. winter, spring, fall and summer are all...
  6. 10. Gauja is a ...
  7. 11. the opposite of dry.
  8. 14. what comes after lightning strikes?
  9. 16. the Sahara is a ...