What are the four modes of writing that a historian uses?
a. investigation, interviewing, collaboration, writing
b. researching, experimenting, graphing, writing
c. writing, discussing, public speaking, publishing
d. narrative, description, exposition, argument

How did german physicist werner heisenberg's uncertainty principle shake beliefs in newtonian physics?

How do media use "telling details" to audiences better connect with a story?

The rise of advertising in the 1920s. i am good with seeing how advertisements shape the roaring twenties and how it developed a new way of life through modern days. but i am not sure what the details of advertising in the 1920s were. if possible can you send me links (preferrably credential links) to sources that maybe show like the first company to start advertising through the radio, how advertising benefits (statistics graphs), etc.