Advanced Earth Day-themed Crossword Puzzle
Listed Items
- 1. A component of carbon dioxide
- 2. A large area of land where trees are the main vegetation
- 3. A mixture of decaying plant and animal matter used to enrich soil
- 4. Fith largest planet in the solar system
- 5. A building with transparent walls and roof that is used to cultivate plants
- 6. A layer in the atmosphere which shields us from ultraviolet radiation
- 7. Adverse alteration of the physical, chemical, or biological properties of air, water, or soil
- 8. A light, gentle flow of air
- 9. Liquid form of H2O
- 10. In danger of becoming extinct
- 11. The atmospheric conditions of a region over a long period of time
- 12. Often used in place of glass, metal, and wood
- 13. The elements of the world, especially plants, animals, and landscapes
- 14. A layer of gases that surrounds a planet or moon
- 15. Natural home of an animal or plant
- 16. A mixture of gases that forms the Earth's atmosphere
- 17. Transforming waste into new items
- 18. Produced by a living organism
- 19. A woody plant with a single trunk and many branches
- 20. The clearing of trees to make room for other land uses