Kadambari Dinesh Kene
asked a question
Subject: Science, asked on on 1/3/20
What is hertx
Riya Dubey
asked a question
Subject: Science, asked on on 14/3/21
what is mean pf decibel
Anushka Jadhav
asked a question
Subject: Science, asked on on 24/4/21
Who is the inventor of the telephone