Soil forming factors include climate, biological activity, topography, parent material, and time. Select Major Soil Orders and Average Annual Precipitation and select Split map window. Zoom to North America and Change Projection to Albers (North America). What is the dominant soil order in areas of North America with average annual precipitation ranging from 60 to 79 inches? View Available Hint(s) Soil forming factors include climate, biological activity, topography, parent material, and time. Select Major Soil Orders and Average Annual Precipitation and select Split map window. Zoom to North America and Change Projection to Albers (North America). What is the dominant soil order in areas of North America with average annual precipitation ranging from 60 to 79 inches? Mollisols Ultisols Aridisols Entisols Gelisols