What property do hypotheses and theories both share?
A) They are both types of educated guesses.
B) They both integrate numerous findings and observations.
C) They are both types of opinions or beliefs.
D) In order to be scientific, they both must be capable of being proven false.
Answer: D
Rationale: Hypotheses are specific predictions, while theories are explanations for a broad range of observations. In order to be scientific, both hypotheses and theories must be falsifiable (i.e., it must be possible to demonstrate that they are not true).
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