Final /s/ crossword puzzle

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Across
  1. 2. a sound an angry cat makes
  2. 7. has thorns and grows in the desert
  3. 8. opposite of tight
  4. 10. more than one rat
  5. 11. puzzle _____
  6. 12. me and you
  7. 13. when you don't know the answer
Down
  1. 1. opposite of no
  2. 3. cold and usually in cube form
  3. 4. aliens come from ____
  4. 5. sea creature with eight tentacles
  5. 6. liquid made from fruits
  6. 8. opposite of more
  7. 9. game played with rackets
  8. 13. more than one goose