Question

$\large \underline{ \boxed{\bf \orange{What \: is \: sonar \: ?}}}$
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Answer 1

$\huge{\boxed {\mathfrak \pink {\fcolorbox {red}{blue}{AnSwEr}}}}$

A technique which is used to navigate or measure the depth of the sea through the ultrasonic waves.

Answer 2

Sonar is a system of finding object under the water by making sound wave

Hope it helps u♥♥