Environmental Quiz
Across
- 8. a substance that causes slight inflammation
- 10. the action of rotating similar crops in a different area over and over again
- 12. an animal that feed on plants
- 13. calculating the air pollution
- 17. plats use sunlight to change carbon monoxide to water
- 19. the upper layer of earth also used with farming
- 20. a poisonous gas in the air
- 22. a crop used for its commercial value
- 23. a place to dispose of waste materials
- 24. a heavy silvery-white metal that is liquid at ordinary temperatures
- 25. The degree to which a substance can harm humans or animals
Down
- 1. a long lasting material that takes a long time to biodegrade
- 2. a animal that feed on both plants and animals
- 3. a material that is not wanted
- 4. poisonous substance also used to create heavy weapons.
- 5. a single crop in a given area
- 6. another word for burning garbage
- 7. a variety of life in an ecosystem
- 9. another word for breathing in
- 10. an anima that feeds on other animals
- 11. several crops in a given area
- 14. growing plants using mineral nutrients solution
- 15. converting waste into usable item
- 16. another word for a material breaking down
- 17. a particular number of people or animals living in an area
- 18. a type poisonous gas
- 21. a substance that provides nourishment essential for growth