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Physics, 20.01.2021 20:10 lhecker007

**NEED ANSWER ASAP** Which of these is true? A. A valid theory answers all questions.

B. Once they are stated, theories never change.

C. A theory can explain multiple hypotheses.

D. Good theories are defined before observations are made.

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Answers: 1

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**NEED ANSWER ASAP** Which of these is true? A. A valid theory answers all questions.

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