Question

plzzz guys suggest me some working and non working models related to physics and chemistry.... urgent...

Answer 1

on physics you can make smart city and that is very easy to make

Answer 2

WORKING

there is a charger made by 5 rs coins it is fantastic.see video on u tube it is latest 1 or 2 months have passed for that.

NON WORKING

make a model of petroleum and natural gas deposit . see in NCERT books of 8th class and upper classes too.

Please select it as brainliest pleaseeeeeeee.