Description : Submerged objects can be located using (1) Radar (2) Sonar (3) Quasar (4) Pulsar
Last Answer : (2) Sonar Explanation: Sonar (originally an acronym for Sound Navigation And 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.