The Sahara Desert was not populous. Aside from the Nile River Valley, the population of the Sahara Desert has consistently remained quite small. Almost all of the populations in countries that are part of the Sahara Desert, have the vast majority of the population near a key source of water.
As for why the Nile River Valley was populous, this was because the River Valley provided the fresh water necessary to irrigate crops that could sustain a large population.
The Sahara Desert is found in the Northern region of Africa.
The Sahara desert is in North Africa.
In the Sahara desert you would only find animals at an oasis.
Sahara
Yes, it is a region of the Mojave Desert.
Northern, mostly.
Yes
The Ténéré is a desert region in the south central Sahara.
The Sahara Desert
The Sahel borders the Sahara.
The Kalahari Desert is south of the Sahara.
desert region