Date post: | 12-Jan-2016 |
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Kendra Simmons
What is soil?Foundation
for
all
land
Biomes.
Soil is Classified Divided into horizonsO HorizonA HorizonB HorizonC Horizon
Soil is Classified O Horizon
Most superficialContains fallen
leaves, grassroots, twigs and other organic material.
Soil is Classified A Horizon
Top soilEnriched mineral
nutrientshumus, iron,
aluminum silicates and clay.
Soil is Classified B Horizon
Bands of distinctive colorsDecomposed
materialPlant roots
Soil is Classified C Horizon
Deepest layerWeathered Parent
materialBed rock
Affected by :Organisms & Age
Affected by: Climate & Elevation