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