All about space

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Across
  1. 2. If I have a dog I am the dogs______
  2. 4. A place you can read books for free.
  3. 6. The space where the Sun, Moon, and all the stars can be found
  4. 9. Your body is am example of ______ space
  5. 10. A place where everyone can go like a park
  6. 14. A person who does what the need to do even if they don’t like it is
  7. 17. If this book is yours it must _____ to you.
  8. 18. bin A place to put trash
  9. 19. A place with a lot of trash and is not organized is a _____
  10. 20. leave a mess Leave no trace
Down
  1. 1. Another word for public space.
  2. 3. Your house is an example of _______ space
  3. 5. A type of common space
  4. 7. Treating something well.
  5. 8. 外星人
  6. 11. When many people live in the same area
  7. 12. out To look for the answer
  8. 13. Earth is a ______
  9. 15. no trace "leave no mess"
  10. 16. Cars but not people drive on the _____