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they both produce a wave of sound energy to find objects.
Passive Sonar
Active Sonar
uses echo locating and reflecting sound to locate things
passive can indicate presence of characters using a microphone.
the army and radio operators use sonar to identify area
Animals such as whales,dolphins, bats, snakes,and ants.
sound is important because its lets animals commicate and find food.
sound is better because it is a more advanced systemand can give a more specific area.
they send out a wave of sound energy and when it comes back it gives a detailed description.
humans can use sonar to see when enemies are near by.they also use it to find stuff like food.
speed of sound
area of sound
where the objects are