Across
- 6. Deep intertwined root system of grass
- 7. Ground that doesn't completely thaw during summer
- 8. Area where the characteristics of one region gradually change into another
- 9. Well-balanced mixture of sand, silt, and clay, plus humus
- 11. Surface layer of the soil
- 12. Northernmost vegetation region where it's too cold for trees to grow
- 15. Mineral materials from which soil is made, usually bedrock
- 17. Trees that shed its leaves annually during fall
- 19. Process of eroding by natural agents
- 20. A.k.a. the prairies, located in Southern Manitoba
Down
- 1. Process by which, in dry climates, water carrying dissolved minerals moves upward through the soil
- 2. Dark, upper layer of soil made up of partially decayed material
- 3. The action/process of vegetating
- 4. Trees with cones and often needlelike leaves
- 5. Process which green plants use the sun to carry out chemical reactions
- 10. Valuable substance that's taken from rocks
- 13. Removal of minerals by water as it moves downward through the soil
- 14. Boundary between the tundra and the boreal forest zone
- 16. Vegetation region that contains both coniferous and deciduous trees
- 18. Combined mineral and organic layer, lighter brown in color, "horizon B"