The rich soil brought by the yearly flooding of the Nile was so important to ancient Egypt that they called their country Kemet, which means

Answer 1

"the black land." The term "Kemet" referred to the rich, dark soil that was deposited by the annual flooding of the Nile River, which was vital for agriculture and supported the civilization's economy and sustenance. In contrast, the desert areas surrounding the Nile were referred to as "deshret," meaning "the red land."