Answer:
My guess would be: It has Literal and Symbolic meanings. It helps to communicate an abstract concept.
Answer:
(A) If a book was published in the past 150 years and is historically insignificant, it will probably deteriorate completely.
Explanation:
This is the overall idea of the passage. Initially, the author explains how these books deteriorate themselves and then explains how this can be avoided. Finally, he/she presents the idea that there are techniques to prevent some books from completely deteriorating, but the process of deacidification will only be implemented to books which have historical significance.
Answer:
I believe the answer is numerical data, or B.
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Explanation:
•Historical legend is not a reliable source if you are looking for facts, as it is legend and hasn't been proven yet.
•Popular opinion would not be accurate either, as it is "opinion".
•Storytelling is not factual evidence, so that isn't an option either.
Owning exotic pets is a good topic to bring up in a conversation when meeting a new person.
