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If the root hydro- means "water," which word means "an electrical instrument used to monitor underwater sounds"? A. hydrometer B. hydrophone C. hydroplane
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2 votes
If the root hydro- means "water," which word means "an electrical instrument used to monitor underwater sounds"?

A. hydrometer
B. hydrophone
C. hydroplane

User Biesior
by
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1 Answer

2 votes
B. Hydrophone is the word that means "an electrical instrument used to monitor underwater sounds."
Given that hydro- means water, and phone has to do with sounds, this is the correct answer.
User Bkev
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