Question 4 20 pts utilizing figure 4.44 from your book, determine the level of soil bulk density (g/cm or mg/m) where you would expect to see root penetration become inhibited in a soil with a clay texture? you can assume no effects of structure, constant ideal moisture etc. 0.8 to 1.0 1.0 to 1.2 1.3 to 1.5 • 2.0 to 2.2 doll