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Biology 47 Online
OpenStudy (anonymous):

Which of these statements best describes a scientific theory? A. It is a description of an observation which does not change over time. B. It is a description of an observation after research over a period of time. C. It is an explanation for an observation which is not based on data. D. It is an explanation for an observation after several valid experiments.

OpenStudy (anonymous):

wat grade?

OpenStudy (anonymous):

11th

OpenStudy (anonymous):

this is a 9th grade question tho

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