Question

what is sonar ....??????​

Answer 1

Answer:

Sonar is a technique that uses sound propagation to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.

Step-by-step explanation:

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Answer 2

Answer:

Sonar is a technique that uses sound propagation to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.