the worlds heat

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Across
  1. 2. sunlight
  2. 4. Scale
  3. 8. movement
  4. 10. turning off lights
  5. 11. Has a trunk
  6. 12. Man's best friend
  7. 14. Large marsupial
  8. 15. Expansion
  9. 17. ZERO
  10. 21. heat
  11. 23. Scale
Down
  1. 1. takes heat well
  2. 3. scale
  3. 5. too hot
  4. 6. poorly takes heat
  5. 7. scale of heat
  6. 9. THE BIG CLIX
  7. 13. boiling
  8. 16. temp
  9. 18. Flying mammal
  10. 19. twitch
  11. 20. the fortnite guy
  12. 22. Likes to chase mice