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Humus Decayed plants and animals
Top Soil Is dark and has the most minerals and humus
subsoil Is less dark because it has less humus.Also contains larger rocks than topsoil.
Bedrock Is solid rock
Loam Is a mixture of sand,clay and silt. Plants grow best in loam.
Soil Provides nutrients for plants and tress to grow.
Sand Has medium size grains. It holds very little water.
Silt Has smaller grains.
Clay Has the smallest grains and holds a lot of water.
Soils Differ in color.
Created by: tycamisaiah