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How to make working model for science exhibition 2012 for 9 class?

how to make working model for science exhibition 2012 for 9 class
asked 2 years ago by anonymous
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take juci lemon and connect two wire one end with lemon and other end with battery in between connect mini bulb.it will glow.
answered 1 year ago by moinuddinkps (140 points)

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acid rain is the best example

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how to make a working model for science exhibition 9? how to make a working model of heart? how to make functioning models for science exibition of classs 9? how to make a working moodel for k v s science exhibition? how to make a working model of heat showing oxygenated and deoxygenated blood?