Which statements correctly describe theories? Check all that apply.A theory cannot help predict what may happen in the future.A theory is based on a single hypothesis.A theory results from several repeated experiments.A theory is a proven fact.A theory explains observations and hypotheses.A theory may be revised over time.

A scientific theory is a well-supported explanation developed from evidence gathered through repeated testing, so “a theory results from several repeated experiments” is correct. Theories explain observations and help scientists form and test hypotheses. They can also be revised when new evidence becomes available; they are not proven facts, and they can help predict what may happen.

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