Based on the distribution of arable land around the world, in which geographic regions would food production for large populations be the most difficult?

What does it mean to say that "service sector" jobs are predominant in europe's mixed economies today? a. that jobs where people work in factories predominate b. that jobs where people do something for others predominate c. that jobs where people work the land predominate d. that jobs in government predominate

What was the atlanta race riot of 1906 ?

What is the role of communication within groups of people with different backgrounds?