Across
- 2. MSW is compacted and covered on a daily basis
- 3. free floating organisms in an aquatic ecosystem
- 5. location where beef is produced in mass quantities
- 8. can be produced by corn or algae and used as a biofuel
- 10. excess nitrates are returned to atmosphere
- 12. r-selected species
- 14. the fossil fuel associated with highest level of air pollution
- 15. occurs in ocean due to increase in carbon dioxide levels
- 17. released by burning of coal and biomagnifies
- 18. aerosols and coolants connected to ozone depletion
- 19. precipitation with a pH of lower than 5.6
- 21. tropical rainforest in South America that is being deforested
- 22. pollution released into aquatic ecosystems from nuclear power plants
Down
- 1. the first species to exist in an ecosystem
- 3. the level of photosynthesis in an ecosystem
- 4. plant nutrient of the nitrogen cycle
- 6. caused by a parasite carried by a mosquito
- 7. the level of suspended solids in water
- 9. pesticide that harmed the bald eagle populations
- 11. found in the stratosphere naturally
- 13. coral reefs are considered a hotspot for this
- 14. the smallest rock particle size found in soil
- 15. organism that originally overpopulates due to eutrophication
- 16. the relationship between a clownfish and sea anenome
- 20. MSW is converted into energy
