The answer is "B. Parent material".
A C horizon comprises of parent material, for example, frosty till or lake residue that have almost no change because of the dirt shaping procedures. Low force forms, for example, development of soluble salts or oxidation and decrease of iron may happen. There are no prevailing procedures in the C skyline; negligible increments and misfortunes of profoundly soluble material (e.g., salts) may happen.
