QUestions, Do u Kno the answers?
2. The Mixture of soil after and nutrients dissolved in it is call the _______________
21. Name two engineering properties of soil
23. What are the phases of soil?
25. Why stake a newly planted tree?
27. Explain why soil usually has less oxygen and more carbon dioxide than the atmosphere.
Favorite Answer
2.
21. Texture and Rock Fragments
23. Slope, Water Erosion, Wind Erosion, Soil Deposition, Stoniness, Rock Outcrop, Folic, Peaty, Cryic, and Cryoturbated.
25. new tree plantings may require staking to protect and/or anchor the tree.
27. When organic matter decomposes in the soil, it gives off carbon dioxide. This carbon dioxide replaces some of the oxygen in the soil pores. As a result, soil air contains less oxygen and more carbon dioxide than the air above the soil surface. Carbon dioxide is dissolved by water in the soil to form a weak acid (carbonic acid). This solution reacts with the minerals in the soil to form compounds that can be taken up and used as foods by the plants.
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