Multiple choice Which of these best describes a difference between Egypt and Nubia? Nubia built sub-Saharan style pyramids Nubia relied on an alphabet, not hieroglyphics Nubia was less fertile, so more irrigation required Nubia gave Egypt slaves in return for gold Reveal answer Fill a bubble to check yourself C Correct answer Explanation Nubia (Kush) had less fertile land compared to the Nile Delta in Egypt, necessitating more complex irrigation and water management systems to support agriculture.