its time for some crossword

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Across
  1. 3. larget planet in the solar system
  2. 7. father of english poetry
  3. 8. author of the book harry porter
  4. 9. which gas is used in gas balloons
  5. 10. land of cakes
Down
  1. 1. fastest running animal in the whole world
  2. 2. which planet does the moon titan orbit
  3. 4. in which indian state is silent valley national park located
  4. 5. who is the author of the book 'adventures of tom sawyer'
  5. 6. where is dna located