Zayn's puzzle

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Across
  1. 3. a snake
  2. 4. singers have to remember their ______.
  3. 5. the beat in music
  4. 8. every body use this
  5. 10. two different elements to create a new
  6. 11. a succession of rulers.
Down
  1. 1. this haircut is a nice ______.
  2. 2. that shares traits of both.
  3. 6. something that results from
  4. 7. what they do in Scooby doo.
  5. 9. a young person