physics

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Across
  1. 4. planning on creating something new
  2. 6. positive results or advantages
  3. 9. availability availability of things used in construction
  4. 10. something that works to make things easier
  5. 11. using less energy to perform the same task
  6. 13. what eco-friendly buildings aim to promote for people
  7. 14. first to talk about ecological housing
  8. 16. panels devices that convert sunlight to energy
  9. 17. keeping heat inside
  10. 18. focuses on long-term impact on environment
  11. 20. at first this is much higher but in the end would save money
Down
  1. 1. practices that help reduce waste and use fewer resources
  2. 2. a benefit of conserving energy and resources
  3. 3. a set of ideas that explain something
  4. 5. systems that are convenient and save energy
  5. 7. environmentally responsible and resource efficient
  6. 8. smart homes use this to monitor and control devices
  7. 12. managing a liquid resource in buildings
  8. 15. drawbacks or restrictions
  9. 19. type of wood that is fast-growing and sustainable