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Serggg [28]
3 years ago
7

Answer the question !!! What improvements could I make if I wanted to have a better controlled experiment ? And think about some

uncontrolled variables that may have affected the data ?? Please help me !!!!!

Biology
1 answer:
iris [78.8K]3 years ago
3 0
You could have made sure the books were the same weight and your friends could have done it at the same time as you
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