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Some hypotheses are attempts to explain the behavior that is summarized in laws . The laws of science summarize a vast number of experimental observations , and describe or predict some facet of the natural world . If such a hypothesis turns out to be capable of explaining a large body of experimental data , it can reach the status of a theory . Scientific theories are well-substantiated , comprehensive , testable explanations of particular aspects of nature . Theories are accepted because they provide satisfactory explanations , but they can be modified if new data become available .
Please check all the words that can be used instead of the target word in the same context. Note that the morphology of the target (third person singular, past tense etc.) is considered to be applied to the candidate automatically in the process of paraphrasing.