Challenging puzzle for experienced crossword solvers
Clean Air Capturing Puzzle
Perfect for beginners with simple, common vocabulary
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Across
- 1. Air-like substance that can spread out
- 2. Not dirty or polluted
- 4. Leftover material or trash
- 5. A factory or living green organism
- 8. To make or construct something
- 10. Tube that moves liquids or gases
- 11. Color often linked with nature and earth
- 12. To keep for future use
Down
- 3. A black rock burned for energy
- 6. Energy to do work
- 7. A large container for storing gases
- 9. To catch or hold in place
- 13. Visible air pollution from fire
- 14. Device used to clean or separate
- 15. The planet we live on
- 16. To produce fire or heat
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