Problem: Soil forming factors include climate, biological activity, topography, parent material, and time. Add Major Soil Orders. Add Average Annual Precipitation and select Split map window. In Main Menu, 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)for Part A Ultisols Mollisols Gelisols Entisols Aridisols. Need Assignment Help?