AlexisalkiGfg AlexisalkiGfg

12-09-2016
Chemistry

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most scientific questions are based on opinions. hypotheses. observations. experimental dat

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WorldlyGlass49 WorldlyGlass49

12-09-2016

Most scientific questions are based on observations. Scientists observe something repeatedly, and they do the experiments over and over again, so as to get to the bottom of some of their questions.

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