Enviro. Sci. Crossword

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Across
  1. 10. An advanced pest control method used on organic farms.
  2. 11. Changing crops planted to increase yield.
  3. 12. A major component of inorganic fertilizers.
  4. 13. The official label of the Government of Canada for energy consumption or efficiency.
  5. 14. A measure of the cloudiness of water.
Down
  1. 1. Any natural disasters that pose a threat to humans.
  2. 2. The build up of toxins within an organism over time.
  3. 3. The garbage that we produce.
  4. 4. Electricity generated using water.
  5. 5. The price of a backyard composter in Halton (in dollars).
  6. 6. A layer of soil with specific characteristics.
  7. 7. Substances that do not break down easily in the environment.
  8. 8. Substances that affect babies more than adults.
  9. 9. The gas produced when organic material break down.