Economists usually call an industry an oligopoly if .

a. the four largest firms produce at least 70–80 percent of the output

b. only one product is available on the market

c. here is one firm that produces 100 percent of the output

d. the ten largest firms produce less than 50 percent of the output

How american was colonial art? to what extent does it illustrate the development of a new society

Since gaining independence from spain and portugal, many latin american nations have faced similar struggles. choose a common issue discussed in this lesson, such as the influence of military dictatorships, struggles with democracy, or continuing revolutions and coups. in a short paragraph, discuss how that struggle has affected two latin american nations.

Doing a science fair project should i do cafeteria waste or solar power