Answer:
1. the land contained significant amounts of gold and iron ore
2. Nubia was protected by natural barriers such as mountains and a desert
3. Nubia had mountains to the west and a desert to the south
Explanation:
Nubia is located in modern-day southern Egypt and northern Sudan, so you can just look at a map to see its geographical features.
For the answer about gold and iron, there were many kingdoms in the region over the course of history that were built on the mining of gold and iron.
