the main transportation routes in this region are:
c. roads
my answer
Which region?
What are your other choices?
north africa, southwest asia, and central asia is the regions.
the choices are:
a. roads and waterways
b. camel routes
c. roads
d. walking trails and truck routes
I'm not sure -- but I suspect you're wrong. Be sure to check your reading assignment.
Remember that most of this region is desert.