It is important to use a variety of digital material in a presentation so that it...
appears that an expert authored it.
holds the audience's interest.
builds the case more effectively.
needs less effort on the written portion.

answer: refers to a diverse array of media technologies that reach a large audience via mass communication. the technologies through which this communication takes place include a variety of outlets. your welcome i hope you me out in the future : (

explanation:

continental currency was denominated in dollars from $​1⁄6 to $80, including many odd denominations in between.

because of the war the westeners befriended japan and each other advance.