Happy of something like
i am pide to be a american
Travis was known as an underground street fighter. His Nickname or what he went by was Travis "Maddog" Maddox.
I hope this helped
~Renee ^_^
Answer:
C. To find out if the call of an animal is missing
Explanation:
The more scientists listen to these kinds of recordings, the more they notice when an expected call is missing.
I hope this helps you in any shape or form.
The second option is definitely more complicated
