| 1. | In terms of soil horizon designations, a solum consists of biological activity.
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| 2. | Thus, percolating water stimulates weathering reactions and helps differentiate soil horizons.
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| 3. | Soil horizons are weakly developed, but a distinct topsoil horizon may be present.
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| 4. | These soil scientists characterized soils based on soil horizons of the soil profile.
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| 5. | The interplay of removal and deposition results in contrasting soil horizons.
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| 6. | The ashy soil horizon had prehistoric artifacts associated with them.
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| 7. | There are very clear soil horizons, when looking at a cross section of this land.
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| 8. | ""'Soil Horizons "'aim is to share the importance of soil science with a larger audience.
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| 9. | A soil horizon accumulating leached and eluviated materials is referred to as a zone of illuviation.
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| 10. | Black-tailed prairie dogs mix the soil horizons by raising soil from deeper layers to the surface.
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