Across
- 2. what type of soil has the highest CEC?
- 4. rock made from heat and pressure
- 5. benefit of humus
- 7. approach foresters use in maintaining site fertility
- 8. deep soil
- 9. compound that is repeatable
- 10. the threshold at which a soil becomes hazardously contaminated
- 12. evaporation from plants
- 16. when nutrients are totally lost from the soil
- 17. combination of lots of minerals
- 19. clay soil
- 26. elements needed in small amounts by plants
- 27. movement of gaseous water into the atmosphere
- 28. how contaminants attach onto soils
- 29. rock made from compacted sediment
- 30. 0-14 scale from acidic to alkaline
- 32. the condensing of gas to liquid when hot meets cold
- 33. the ability of a substance to directly affect life
- 36. what type of soil has the lowest CEC?
- 37. limiting factor in a terrestrial ecosystem
- 39. igneous rock formed below the Earth's crust
- 41. igneous rock formed above the Earth's crust
- 43. exposure through eating or drinking
- 44. sandy acidic soil
Down
- 1. a soil with hazardous substances mixed in
- 3. exposure through the skin
- 6. eluviated
- 7. macronutrient responsible for water movement
- 9. elements needed in large amounts by plants
- 11. what factor is most negatively affecting your plant?
- 13. rocks in which you can see crystals cool at this rate
- 14. what is the difference between organic and inorganic contaminants?
- 15. where is groundwater found?
- 18. the compacting of soils by machines
- 20. remediation using living organisms
- 21. contamination from pesticides and herbicides
- 22. limiting factor in aquatic ecosystems
- 23. exposure through breathing
- 24. the removal of topsoil
- 25. undeveloped soils
- 31. break down of rocks into smaller rocks
- 34. contamination through regular human activities
- 35. contamination from spills or leaks
- 38. volcanic rock
- 40. rocks in which you can't see crystals cool at this rate
- 42. the unconsolidated outer layer of the Earth's crust
- 44. structure of compacted soil