Which of the Following Statements Best Describes How Time Impacts

Which of the following statements best describes how time impacts soil formation?

A) over time, more distinct soil horizons will form, each with their own characteristics.
B) over time, a soil will become more homogenous.
C) over time, more clay minerals accumulate in the uppermost layer to form topsoil.
D) over time, soils become enriched with air and water.
E) time does not impact soil formation.