Question

what is SONAR and uses​

Answer 1

Sonar (originally an acronym for sound navigation ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.

Sonar uses sound waves to 'see' in the water.

Sonar uses sound waves to 'see' in the water.NOAA scientists primarily use sonar to develop nautical charts, locate underwater hazards to navigation, search for and map objects on the seafloor such as shipwrecks, and map the seafloor itself. There are two types of sonar—active and passive.

hope it helps you

Answer 2

Explanation:

https://study.com/academy/lesson/what-is-sonar-definition-uses-examples.html

What is Sonar? - Definition, Uses & Examples - Video & Lesson ...