Sydney's Crossword

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Across
  1. 4. 2nd highest place in space
  2. 7. the same thing
  3. 8. lowest place on earth
  4. 9. water ,land ,and lots of things that live
  5. 10. gasses around the planets
Down
  1. 1. a thing that changes
  2. 2. water
  3. 3. the place where meteors burn up
  4. 5. 2nd lowest place in space
  5. 6. something we walk on