Biology Crossword

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Across
  1. 6. The reduction of pH in the ocean growing since industrial revolution
  2. 10. Precipitation with acidic components
  3. 11. substance used to maintain pH level
  4. 12. pH scale greater then 7
  5. 13. System used to measure acids and
  6. 15. OH-
Down
  1. 1. Condition where blood pH is above 7.45
  2. 2. First element in periodic table
  3. 3. Chemical that makes blood less acidic
  4. 4. Organisms and the environment they interact with
  5. 5. The buffer for human blood
  6. 7. pH Scale of exactly 7
  7. 8. Condition when there is too much acid in the blood
  8. 9. Math function whose abbreviated term is 3 letters
  9. 14. pH Scale less then 7