Blue Marble Crossword Puzzle

Advanced Earth Day-themed Crossword Puzzle

1. The air or gas which encircles a celestial body
2. A nutrient-rich mixture of decaying organic matter
3. Produced by a living organism
4. Found in all living organisms
5. Fith largest planet in the solar system
6. A tall plant with a single stem and many branches, typically growing to a considerable height
7. The elements of the world, especially plants, animals, and landscapes
8. The typical weather patterns of a region
9. A layer in the atmosphere which shields us from ultraviolet radiation
10. Often used in place of glass, metal, and wood
11. A liquid that covers 70% of the Earth's surface
12. A large area of land with many trees and other plants
13. The process of clearing trees from an area of land
14. The fluid medium of the Earth's atmosphere
15. A light, gentle flow of air
16. A structure that traps heat from the sun to create a warm environment to grow plants
17. Adverse alteration of the physical, chemical, or biological properties of air, water, or soil
18. Natural home of an animal or plant
19. Reduce, reuse, and repurpose
20. In jeopardy of disappearing