Jacks crossword

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Across
  1. 3. blow them from soap
  2. 5. first letter of the Greek alphabet
  3. 6. planet closest to the sun
  4. 7. a car has four of these, bike has two
  5. 9. last letter of the Greek alphabet
  6. 10. fried in kentucky
Down
  1. 1. hours, minutes, seconds
  2. 2. desert plant with prickles
  3. 4. cows have tow of this
  4. 8. Ben looks after sheep