Environmental Chemistry Review

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Across
  1. 2. Something that removes harmful chemicals from emisions before they are released
  2. 4. Chemical used to control insect population growth
  3. 5. Use of light to break down harmful chemicals
  4. 7. Ability of a chemical to cause harm
  5. 8. Something that tells you information about another substance
  6. 10. Precipitation with a pH less than 7
  7. 16. When toxins build up in cells
  8. 18. Chemical used to control weeds
  9. 19. Alteration of the environment producing harmful conditions
  10. 20. Material or form of energy that will cause harm
Down
  1. 1. Use of plants to remove toxins from soil
  2. 3. The type of toxicity that requires many exposures
  3. 6. Using living organisms to break down toxic substances
  4. 9. Increase in populations of algae due to increased levels of nutrients in water system
  5. 11. Solution With a pH above 7
  6. 12. Nutrient for energy storage
  7. 13. A solution that has a pH of less than 7
  8. 14. When a acid is mixed with a base, this happens
  9. 15. Organic compound used for short term energy
  10. 17. Type of toxicity that is toxic after first exposure
  11. 21. The dose of a toxin that kills half the population