In science, a theory can be defined as
A) an educated guess.
B) an explanation that explains and integrates numerous findings and observations into a coherent whole.
C) a personal understanding of natural laws.
D) a testable prediction.
Answer: B
Rationale: While nonscientists often use the word theory to describe a guess or a prediction, in science, a theory is an explanation for a broad range of observations that also generates new hypotheses and integrates numerous findings into a coherent whole.
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