Environmental studies

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Across
  1. 2. Organophosphates
  2. 5. used to deflect and absorb sound
  3. 6. a substance that causes cancer
  4. 7. involves a fine water spray that washes out suspended solids
  5. 8. a pesticide that is absorbed and transported around a plant in the sap
  6. 9. a measure of differing toxicities of a substance on different organisms
  7. 12. the process where the presence of two materials produces a greater effect
  8. 13. a water body with a low nutrient level
  9. 14. radiation rays that travel long distances
  10. 15. radioactive isotope that is naturally occurring in rocks
Down
  1. 1. a mirror system that reflects incoming light onto a single point
  2. 3. the frequency at which an object naturally vibrates
  3. 4. a fuel where the nuclei of he atoms can be split my nucleus bombardment
  4. 10. which protocol intended to set targets to reduce greenhouse gas emissions
  5. 11. the unit of sound used to monitor noise pollution