17. based on the soil texture diagram, which percentages of sand, clay, and silt would result in sandy clay? a. 50 percent sand, 40 percent clay, 10 percent silt b. 80 percent sand, 10 percent clay, 10 percent silt c. 20 percent sand, 60 percent clay, 20 percent silt d. 60 percent sand, 10 percent clay, 30 percent silt