Answer:
Yes because it an become an addiction, and this will lead to a distraction/a waste of time.
Explanation:
Memoir is a personal legacy written so we can call it a historical source but not document. It is not an evidence, a report or not even a record. It is more like an autobiography or a biography from memorial times. It is a legacy written by a person for a person.
Internet (youtube for example)
I think that it would be fragment but I am not sure.
The answer is 5/8 because I divided both sides by 9