The Earth's interior is composed of four layers, three solid and one liquid ... It is the familiar landscape on which we live: rocks, soil, and seabed. It ranges from about five miles (eight ...

2005) edaphic - of, pertaining to, or influenced by the soil (Sylvia et al. 2005) endodermis - a single layer of cells enclosing the vascular tissue of the root (Raven et al. 1999) exudates ...