How do bedouin nomads live?

Bedouin Nomadic, desert-dwelling Arab peoples of the Middle East and followers of Islam. Traditionally they live in tents, moving with their herds across vast areas of arid land in search of grazing areas. Bedouin society is patrimonial

(Another question answered this.)

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.  

answer; /// the above statement is (true);