Answer :
1. You do not know if their diary is fully accurate
2. Diary entry's are normally how the person feels about an event and not soulfully just about the event.
2. Diary entry's are normally how the person feels about an event and not soulfully just about the event.
Answer: subjectivity
Explanation: A diary entry is written by a person, influenced by his/her ideas, opinions and personal characteristics. People tend to be subjective when writing about a topic. This is the reason why using only one source of information is a problem because we do not really know if the information is acqurate or if it is just what the person thinks about an issue.