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