Answer: The statement is TRUE: if you think a piece of information will be on an upcoming test, you should always write it in your notes.
Explanation: It is highly important writing a piece of information that is likely to be included in a test since<u> it constitutes valuable knowledge</u>. Moreover, including this type of information in your notes <u>will prevent you from forgetting about studying an important topic that will eventually be tested</u>. Furthermore, writing in your notes and reading it afterwards boosts memory and makes learning more efficient.
The most likely reason is loneliness is the primary reason that dogs do bark at night because are very social (just like humans) they often feel lonely when left.