Answer:
second person is the correct answer.
Explanation:
I'm confused... are you asking if this is the correct answer?
If the root hydro- means "water", then the word that means "an electrical instrument used to monitor underwater sounds" is called a hydrophone. A hydrophone is a kind of microphone that is specifically used to detect and record sound waves underwater.
What’s the underlined word?
I believe it is messy but I’m not completely sure if its not messy then its shy
