hiiiii.i'm am in 7th class only.....
i don't know what is SONAR....
Explanation of sonar is given already.( which if you are not able to read, then there is no use of replying )
What's this guys........... . This website is to help you. If you don't want to read , it's ok , but don't make fun of it.
that is true!! yogeshwari no one caught u .. :p
U do not understand
It's a good Info about SONAR . I like it .Thank you.
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VIII Math And Science