Chemistry Crossword

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Across
  1. 7. One type of vehicle which can improve air quality
  2. 8. The bacteria that causes fermentation in vinegar
  3. 9. The brain chemical overstimulated by addictive substances
  4. 12. The enzyme which converts proteins to peptides
  5. 14. A toxic chemical released from e-juice
  6. 15. When the ocean absorbs CO2 and threatens marine life
  7. 16. Substances that help with smooth movement in the large intestine
Down
  1. 1. The water that seeps in from garbage
  2. 2. An opioid once used for medicine, but wildly abused now
  3. 3. The pancreas releases enzymes and _______
  4. 4. The dummy driver sent into space
  5. 5. Plastic takes hundreds of years to decompose and breaks up into these small bits
  6. 6. Fermented foods that help with digestion
  7. 10. The part where nutrient absorption happens in the large intestine
  8. 11. A global treaty signed in 1992 to combat climate change
  9. 13. A substance that has both water-loving and oil-loving parts