any one give me answer that we have science fair so l want electric thing so give me idea
Answers
Answered by
2
I think a robot or a bank security system will work.
mari6:
but how?
ask google
you give me right answer but l have two day to make it
fast
Answered by
1
I think you make senser by using water cooler or make volcano's
but how
search on internet
ok
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