Question

I need a idea to prepare a model on green energy plz reply

Answer 1

 Used up tea leaves

This idea comes from the Pakistani National Centre of Physics and it was introduced by Dr Syed Hussain. Their research team found a nano-catalyst that can be used to produce biodiesel from used tea. If this reaches the commercial market, it could be a great way to produce alternative energy.

Answer 2

i have model pics
which every u like do that
hope it helps u