What does the term 'subterranean' refer to in the context of ancient Egyptian burial practices?

The term 'subterranean' refers to something that is situated or occurring beneath the earth's surface. In the context of ancient Egyptian burial practices, this term is particularly relevant because many tombs were constructed underground or within the earth, reflecting the belief in an afterlife and the importance of burial practices. Egyptians often buried their dead in elaborate tombs below the surface, designed to protect the body and accompanying goods from grave robbers and natural degradation. Thus, the correct response emphasizes the essence of these burial practices, highlighting the significance of underground burial as a means to honor and preserve the dead for eternity.