Nubia has a higher elevation and less desert area than Egypt.
Near the Nile River.
A Nubia queen refers to a queen of the land of Nubia, which was a country near Egypt in Ancient times
The upper (south on a map) Nile River.
yes they did
Nubia was different than that of Egypt because Nubia was far less fertile than Egypt.
they are pretty even, I guess it depends on how well they are grown