Enviro. Sci. Crossword
Across
- 8. An advanced pest control method used by organic farms.
- 9. A measure of the cloudiness of water.
- 11. The garbage that we produce.
- 12. A layer of soil.
Down
- 1. The build up of toxins within an organism over time.
- 2. Substances that affect babies more than adults.
- 3. A major component of inorganic fertilizers.
- 4. Not easily broken down in the environment.
- 5. Changing the crops planted.
- 6. The price of a backyard composter in Halton.
- 7. Any natural disasters that post a threat to humans.
- 10. The gas produced when organic material break down.