Please answer it's urgent. Guys I have a science exhibition. I want to make a working model please suggest as many ideas as you could. I study in grade 8th so I hope your ideas are based on the concepts from grade 8th. I will mark your answer as brainliest if you give me many ideas and also which I can make. Even less would work but I want something which can be made using the things available at home. I don't want to buy anything.
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do water filtering system by showing different dabbas in which gravels and filtering net is there and try to show it by step to step
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