Judy used the following soil triangle to identify a sample of soil as silty clay. Soil texture triangle. Clay soil is approximately 45 percent or less sand, 50 percent or more clay, and 40 percent or less silt. Silty loam soil is approximately 50 percent or less sand, 30 percent or less clay, and 50 percent or more silt. Sandy clay soil is approximately 45 to 65 percent sand, 35 to 55 percent clay, and 25 percent or less silt. Sandy clay loam soil is approximately 45 to 80 percent sand, 20 to 35 percent clay, and 35 percent or less silt.

Which description of soil likely allowed Judy to make this identification? (2 points)

a
Mostly large particles, with a gritty texture, 75% clay, 15% sand, and 10% silt

b
Mostly large particles, with a sticky texture, 65% clay, 10% sand, and 25% silt

c
Mostly small particles, with a sticky texture, 50% clay and 5% sand, and 45% silt

d
Mostly small particles, with a smooth texture, 30% clay, and 25% sand, 45% silt