alleryWhich scientist guessed that St. Elmo's fire was electrical in nature?
AIsaac Newton
BCharles Darwin
CAlbert Einstein
DBenjamin Franklin
Answer & Solution
Correct answer: D. Benjamin Franklin
1. Benjamin Franklin conjectured that St. Elmo's fire was electrical.
2. The conjecture was correct.
3. It took a long series of experiments and theoretical changes to establish it.
_Source: Wikipedia, Scientific method, Characterizations_
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