Answer:
I think alliteration
Explanation:
There is a lot of ms which would make it alliteration.
Library books, databases, and online periodicals.
Answer:
A.
Explanation:
To find out if a call of an animal is missing.
It would be A. because the selection said, "The more scientist's listen to these kind of recordings, the more they notice when expected call are missing".
I think it is C.Traveling abroad