How is the geography of nubia different from egypt

The land of Egypt is found within the regions of northern Africa. Nubia, on the other hand, is located along the Nile river which is a part of northern Sudan and southern Egypt. Nubia is said to be the Land of Gold. ... The land of Nubia had fallen into the hands of the Egyptians.

Explanation:

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.