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Published byMildred Parsons Modified over 9 years ago
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Kendra Simmons
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What is soil? Foundation for all land Biomes.
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Soil is Classified Divided into horizons O Horizon A Horizon B Horizon C Horizon
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Soil is Classified O Horizon Most superficial Contains fallen leaves, grassroots, twigs and other organic material.
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Soil is Classified A Horizon Top soil Enriched mineral nutrients humus, iron, aluminum silicates and clay.
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Soil is Classified B Horizon Bands of distinctive colors Decomposed material Plant roots
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Soil is Classified C Horizon Deepest layer Weathered Parent material Bed rock
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Affected by : Organisms & Age
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Affected by: Climate & Elevation
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