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10 cards from this deck
1 cm every 100-400 years
Forms too slowly to replace in human lifetime
Weathered rock, organic matter, water, air
Human activity, parent material, climate, organisms, topography, time
Original rock from which soil develops
Organisms moving soil particles & increasing air spaces
Water moving downward transporting dissolved minerals
Sand, silt, clay particles
Thinner, less fertile soils
Higher temperatures & increased rainfall
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