Environmental Chemistry Crossword

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Across
  1. 3. / The most common element in your body
  2. 6. / Increases the nutrient content in soil
  3. 9. / Controls pest plants
  4. 11. / Controls pest insects
  5. 12. / Used for storage of unused chemical energy
  6. 15. / Transports oxygen in red blood cells
Down
  1. 1. / Energy source for metabolism
  2. 2. / Regulates calcium deposition
  3. 4. / Increases the growth of leaves and stems in fertilizers
  4. 5. / Toxins move up through the food chain and their concentrations become higher in each organism
  5. 7. / Molecules that regulate chemical reactions
  6. 8. / Large molecules that help enzymes function
  7. 10. / A common pesticide used in WW2
  8. 13. / The building blocks of the body
  9. 14. / Regulates nerve impulses in nerves and muscles