Question

what do you mean by SONAR what are its applications​

Answer 1

Explanation:

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.

Answer 2

Answer:

sonar us a technic that uses sound propogate

to navigate communicate or to detect object or on under surface of water