The media industry is characterized be which of the following?
A) centralization of ownership
B) pure competition
C) innovation and entrepreneurship
D) a near-monopoly market structure

This chart shows the number of soldiers killed according to two different sources. source a is a book written by university professors. source b is from a well-known historical website. in a paragraph, explain why the data presented is different, and evaluate the reliability of each source. which should be used in a school research project, and why?