Answer: B.
throughout the paragraph he thinks of immigrants as lower than him.
I’ll change math ,because it’s hard but not that hard .
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".
It is a figurative way of describing gaining control
