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In a controlled scientific experiment, A. all variables are kept constant. B. one or more variables are kept constant. C. no variables are kept constant. D. only one variable can be kept constant. Reset
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Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right
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In a controlled scientific experiment, A. all variables are kept constant. B. one or more variables...
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