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soil: more than just a bunch of dirt

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Soil: More than just a bunch of dirt

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Soil: More than just a bunch of dirt. What is soil made of?. The basic components of soil are: decayed remains of once living organisms (organic material) rock water air. Layers of soil. Humus Topsoil Subsoil Bedrock. Humus. Living material Plants Decaying leaves Needles Moss - PowerPoint PPT Presentation

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Page 1: Soil: More than just a bunch of dirt

Soil: More than just a bunch of dirt

Page 2: Soil: More than just a bunch of dirt

What is soil made of? The basic components of soil are: decayed remains of once living

organisms (organic material) rock water air

Page 3: Soil: More than just a bunch of dirt

Layers of soil Humus

Topsoil

Subsoil

Bedrock

Page 4: Soil: More than just a bunch of dirt

Humus Living material Plants Decaying leaves Needles Moss Thin layer Dark color

Page 5: Soil: More than just a bunch of dirt

Topsoil Mostly minerals Plant roots Dark color Decaying plants Decaying animals

Page 6: Soil: More than just a bunch of dirt

Subsoil Silt

Sand

Clay

Not broken downall the way

Page 7: Soil: More than just a bunch of dirt

Bedrock Lowest layer of soil

Solid rock layer


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