Compare and contrast the role of an mc and a dj. describe the role of each artist and the contributions they make to a musical performance. use specific terminology and techniques associated with mcing and djing.

MC stands for Masters of Ceremony
DJ stands for Disc Jockey.

A Masters of Ceremony is the official host of the event. He/she is tasked to introduce speakers, interact with the audience, and keep the event on track according to its program.

A Disc Jockey is a person tasked of playing recorded songs (pop or dance music) that guests can dance to. He/she introduces the song that he/she is playing. 

Thom bell , bobby martin , and norman harris .

The answer would be online media like a social media. it does refer to forms of different media content created publicly by the end users since 2005 and would cover how people use social media.hope this would be of .