Cool crossword

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Across
  1. 4. replacement of nature
  2. 9. the more knowledge, the more
  3. 10. red force
Down
  1. 1. hard to obtain
  2. 2. symbol of most people in the society
  3. 3. the main character
  4. 5. outside the box
  5. 6. source of peace
  6. 7. valuable
  7. 8. gets burned