Answer:hehehehhehehhehehehhehe
Explanation: hehehhehehehehheheheheheheh
I think its " Endless "
Explanation:
Explanations are hard with questions like context but Ill try my best.
Endless is a close enough synonym for Immeasurable, since both words describe something that's either out of reach or never-ending
Im sorry if Im wrong.
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.