Question

what do you mean by SONAR​

Answer 1

Answer:

Sonar, short for Sound Navigation and Ranging, is helpful for exploring and mapping the ocean because sound waves travel farther in the water than do radar and light waves. There are two types of sonar—active and passive

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Answer 2

Answer:

SONAR- Sound Navigation and Ranging. It helps military to navigate, communicate with or detect objects on or under the surface of the water