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Soils (Soil Horizons (A-Horizon (Topsoil, Darkest color because of broken…
Soils
Soil Horizons
O Horizon
Organic layer
Mulch, dead plants, etc
A-Horizon
Topsoil
Darkest color because of broken down organic matter which provides nutrients
6-8 inches
B-Horizon
Subsoil
lighter in color
water movement brings nutrients down
C-Horizon
Parent Material
D or R Horizon
Bedrock layer
Soil Formation
Weathering
Air
Water
Glacier Movement - formed glacial till
Organic matter decomposing
Topography
Time