In science, a _____ is a proposed explanation for an observed phenomenon that has been supported by a large body of evidence, and is broader in scope than a hypothesis. law control variable theory
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A control is an unchanging standard of comparison in an experiment. A variable is any factor, trait, or condition that can exist in differing amounts or types. A theory is a well-substantiated explanation of some aspect of the natural world, based on a body of Show more…
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