Advanced Earth Day-themed Crossword Puzzle
Listed Items
- 1. The basis of all organic molecules
- 2. At risk of disappearing
- 3. Often used in place of glass, metal, and wood
- 4. The state of the atmosphere in a given area
- 5. The totality of the physical world, including plants and animals
- 6. A thick grouping of trees, shrubs, and other plants
- 7. The envelope of gases that surrounds the Earth
- 8. Natural home of an animal or plant
- 9. A natural soil enhancer made from decaying plant and animal matter
- 10. The contamination of soil, air, or water by human activities
- 11. A natural movement of air in the atmosphere
- 12. Fith largest planet in the solar system
- 13. Liquid form of H2O
- 14. A mixture of gases that make up the Earth's atmosphere
- 15. The destruction of natural forests and woodlands
- 16. A gas which absorbs harmful UV radiation
- 17. Produced by a living organism
- 18. Using materials again and again
- 19. A plant with a trunk and branches that is usually several meters tall
- 20. A structure that traps heat from the sun to create a warm environment to grow plants