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Niteen Jit Sahu from Diya Academy of Learning, Bengaluru

Subject :NSO Class : Class 4

Who invented metal detector ? His name starts from A and ends with L.He is a very famous scientist ?

Ans 1:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore

Class : Class 7

There is no such person tell the answer got it?