Eutrophication Crossword

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Across
  1. 2. a type of bloom caused by an excess growth of algae
  2. 6. a large contributor of food production and eutrophication
  3. 8. an essential element on the periodic table that we breathe
  4. 12. a chemical used to clean laundry
  5. 13. the process of breaking down sugars into usable energy
  6. 16. a waste product we breathe out
  7. 17. broken down material
  8. 19. the process in which plants use the sun to make energy
  9. 20. a nutrient that is scarce for organisms
Down
  1. 1. an item used to clean
  2. 3. photosynthesizing organisms in water
  3. 4. another word for a sugar molecule
  4. 5. food that is used to help plants grow
  5. 7. bacterial microorganisms that may be present during algal blooms
  6. 9. this word means new growth
  7. 10. a substance that contaminates air, land or a body of water
  8. 11. this is a source of eutrophication
  9. 12. the breakdown of material
  10. 14. an element in the periodic table that may be found in soaps
  11. 15. a region of water that lacks living organisms
  12. 18. an element in the periodic table