Public distance is appropriate when speaking in a lecture hall or performing on a stage during a play

The two most important developments during the nineteenth century in the field of journalism were the

a. invention of printing press and invention of photography b. invention of photography and speed of information c. invention of printing press and speed of information d. freedom of speech and invention of photogra phy

Video games are a(an) _______________ annual industry in the United States

a. $2 billion b. $8 billion c. $25 billion d. $16 billion