Alliteration and Assonance
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".
Belief. a writers philosophical assumption refers to their belief of what is true based on knowledge of the subject.
An article is an official, and credible way to get infromation.
Look at sources and which ever ones contain more info