9. soil with roughly equal portions of sand, silt, and clay parent material
subsoil
"O" horizon
Loam

"Loam means you have roughly equal portions of sand, silt and clay," he said. ... Silt loam has a little more silt in it. Clay loam has more clay in it."

What soil horizon contains mostly clay silt and sand?

E Horizon - This eluviation (leaching) layer is light in color; this layer is beneath the A Horizon and above the B Horizon. It is made up mostly of sand and silt, having lost most of its minerals and clay as water drips through the soil (in the process of eluviation).

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

that is true   : ) hope this you