Alexa's prefix puzzle

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Across
  1. 3. where you leave
  2. 7. magnifying glasses with two lenses
  3. 8. a cartoon guy that saves the day
  4. 10. a word that is added to the beginning of a word
Down
  1. 1. not there
  2. 2. a bike with 3 wheels
  3. 4. move across
  4. 5. takes place after the game
  5. 6. a boat that goes underwater
  6. 9. a bike with 1 wheel