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.
Answer:
whether, or thing
Explanation:
this makes the most sence, its basically uncondial love
Answer:
of what phrase, i can help but i need more info than this
Explanation:
sorry ;(
