What are the most of Africa's workers employed in?

This is the mountain range known as the alps. which of these statements regarding the alps is true? a) the alps are the largest mountain range in asia. b) the alps protect the roman empire from invasion. c) the alps were key in preventing england from being conquered in warfare. d) the alps prevented the roman empire from taking control of most of europe.

Lots of points: economics: the dollar value consists of all of the goods and services sold by of each of the following entities except: a. government b. consumers c. unemployed d. net exports

In what region did the industrial revolution began