v.	Tombs were usually built at the edge of the desert to avoid wasting arable land. Tombs contain pictures and samples of food and other necessities and thus are a valuable source of information about daily life in Egypt. The amount and quality of tomb goods and the form of the tombs themselves reflect the social status of the deceased.
vi.	The ancient Egyptians acquired much advanced knowledge and technology. Knowledge of chemistry and anatomy was gained in the process of mummification. Other areas of scientific and technological advance included mathematics, astronomy, calendar making, irrigation, engineering and architecture, and transportation technology.