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What technological advancement was used during World War II as a means of locating things acoustically, based on sounds in the water?

A. Semaphore
B. Sonar
C. Bass ​

User Eshirazi
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2 Answers

2 votes

Answer:

a

Step-by-step explanation:

User Stephen Fischer
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Answer is B 100%. Sonar uses sound waves o locate object. It’s definitely not Semaphore. That’s a system of flags for communication.
User Kanngard
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