Environmental Chem Crossword

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Across
  1. 3. storage for unused chemical energy
  2. 4. pH level below 7
  3. 5. substance that can capture oxides
  4. 9. produces amounts of water when a well is drilled
  5. 10. slows down or speeds up chemical reactions
  6. 12. serious symptoms after many exposures
  7. 13. measurement of toxicity of a substance
  8. 14. kill unwanted plants
Down
  1. 1. material that causes harm to living organism
  2. 2. proteins that speed up chemical reactions
  3. 5. what is being dissolved in the solvent
  4. 6. pH of 7
  5. 7. serious symptoms from one exposure
  6. 8. minerals you need less than 100 mg/day
  7. 11. adding calcium carbonate to environment
  8. 12. energy source
  9. 15. pH level above 7