Which of the following terms is also used to refer to the 'A' horizon in soil profiles?

Explanation

The 'A' horizon is the topsoil layer, commonly known as the surface horizon. It is not referred to as eluvial or illuvial horizons, which describe other soil layers. Similarly, it is different from alluvial deposits, which relate to sedimentary materials. Therefore, none of the provided options correctly denote the 'A' horizon.