Unit 3: Crossword Review

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Across
  1. 2. Between the pole and the 60° parallel.
  2. 5. The ______ effect changes the trajectory of the winds.
  3. 7. A layer of the Earth consisting the crust and part of the upper mantle.
  4. 8. A subterranean metal container used for on-site wastewater treatment, not linked to a central sewage system
  5. 10. H2O, CO2, CH4, N2O keep in some energy of the sun, what is this effect called?
  6. 11. A factor in the environment that absorbs and stores carbon.
  7. 12. The step in the phosphorus cycle wherein digested phosphates are returned to the soil as waste.
  8. 15. Heavy machinery used in agriculture compacts the soil, depriving it of ______.
  9. 16. ______ currents make up 90% of the ocean and move around the ocean due to changes in density.
  10. 17. During the construction of a mine, _________ are released.
  11. 19. Chemicals used in the refining process of mined ore can cause _____ _________.
  12. 20. The name of a layer of year-round, unfrozen ground underneath the permafrost.
  13. 21. __________ occurs when an excess of organic material and nutrients (rich in nitrogen and phosphorus) accumulate in waterways.
  14. 22. Between the 60° and the 30° parallels.
  15. 23. What are the major atmospheric air currents that blow in a given direction according to global patterns?
  16. 25. Which radiation does the ozone layer protect us from?
  17. 26. __________ is soil that has been 0 degrees Celsius or less for at least 2 years.
  18. 27. The use of microorganisms to combat waste contamination in the environment.
  19. 28. Is a mass of freshwater ice on land.
Down
  1. 1. Between the 30° parallel and the equator.
  2. 3. Pesticides can kill ______________ in the soil that are beneficial for plant growth.
  3. 4. rain Precipitation contaminated with by-products of the burning of fossil fuels.
  4. 6. An area that drains water to a specific location.
  5. 9. Surface currents + deep water currents = ______ Circulation
  6. 13. ice Is frozen brackish water floating on oceans near the North and South poles.
  7. 14. Conversion of ammonia and ammonium into nitrates and nitrites.
  8. 18. Greenhouse gas that is produced largely from cows.
  9. 19. Water that has been discharged after use in households or industries and that is polluted due to human activities.
  10. 24. ______ currents make up about 10% of all water in the ocean and is the upper 400 meters of the ocean
  11. 29. The _______ later of permafrost thaws in the summer and allows organisms to grow periodically.