Advanced Earth Day-themed Crossword Puzzle
Listed Items
- 1. A protective layer of gas around a planet
- 2. The physical world and all living things
- 3. Reducing waste and pollution
- 4. The place where a living organism dwells
- 5. A gas that absorbs ultraviolet radiation
- 6. A type of renewable energy
- 7. At risk of extinction
- 8. The natural world and its surroundings
- 9. A hue found in nature that is often associated with life, growth, and renewal
- 10. A resource that can be reused
- 11. A material that is resistant to water and chemicals
- 11. The spread of hazardous materials
- 12. Derived from living sources
- 13. Used for drinking, washing, and growing food
- 14. A large area of land with a lot of trees and plants
- 15. The atmosphere of a particular region
- 16. A major element in the human body
- 17. A tall plant with a woody stem and branches
- 18. The invisible substance that fills the atmosphere