Facts

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Across
  1. 2. how many stars exist
  2. 3. more than sand on earth
  3. 6. the only bird that fly backwards
  4. 7. the answer to the hardest riddle in the world
Down
  1. 1. the degree of the hottest planet in our ss
  2. 3. one hour on Earth is equivalent too
  3. 4. the animal that dosen't have a brain
  4. 5. normally in america (tree)