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WORD BANK: adaptation, biologist, control group, experimental group, law of conservation of energy, speciation, theory

A(n) _________ has been well-tested and makes sense of a great variety of scientific observations.

User Fringley
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2 Answers

4 votes
Theory should be your answer
User Shawn Cooke
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2 votes
I believe the correct answer is theory
User Enilda
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