Kendra Simmons. What is soil? Foundation for all land Biomes.

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Presentation transcript:

Kendra Simmons

What is soil? Foundation for all land Biomes.

Soil is Classified Divided into horizons O Horizon A Horizon B Horizon C Horizon

Soil is Classified O Horizon Most superficial Contains fallen leaves, grassroots, twigs and other organic material.

Soil is Classified A Horizon Top soil Enriched mineral nutrients humus, iron, aluminum silicates and clay.

Soil is Classified B Horizon Bands of distinctive colors Decomposed material Plant roots

Soil is Classified C Horizon Deepest layer Weathered Parent material Bed rock

Affected by : Organisms & Age

Affected by: Climate & Elevation

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