Aline graph
a) is useful for comparing quantities
be
b)is useful for showing changes over of time
c) is useful for showing how a whole is divided into parts
d) compares quantity using an image to indicate a quantity

in 1989, tiananmen square in beijing was the site of china’s main industries. china’s government headquarters. -pro-democracy demonstrations. (second choice)

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they live

the correct answer is 50.

industrial revolution, in modern history, the process of change from an agrarian and handicraft economy to one dominated by industry and machine manufacturing