What is meant by economies of scale?

The areas with the highest population density in europe are most likely to be

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

In human relations, the irritation threshold is the