Arid or semi-arid; dry, mostly desert.
This region is usually called MENA which is an acronym for "the Middle East and North Africa".
bob fishy
Why would North Africa and Southwest Asia be considered a cultural region? Because of the mild climate and important rivers, North Africa/Southwest Asia saw rise to two cultural hearths. A cultural hearth is a place that comes up with a way of living (culture) that the places around it adopt.
They aren't
The Middle East
Egypt. Egypt is the country which is the farthest east in North Africa.
for traveling from North Africa, Asia, and Europe
Yes. Tunisia is a North African country, specifically from the Maghreb region.
Southwest Asia
North Africa and SouthWest Asia has served as the crossroad for the people
Water is the most scarce resource in north Africa and southwest Asia.
The Red Sea separates North Africa from Southwest Asia