Answers

2016-01-07T19:34:47+05:30
They can just add solar system in your school

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2016-01-07T19:44:19+05:30
They can make water bottle light bulbs and keep them on the roof for sunlight.You have to add water and 10 ml of bleach.This is useful during daytime and can produce 55 watts of light energy.please mark as best answer hope i helped.

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