Coco Trivia

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Who invented vulcanized rubber?

Clive Sinclair

Thomas Hancock

Charles Goodyear

Charles Macintosh

Padlock

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Source:

Choice "A": Clive Sinclair of users selected this choice.
Choice "B": Thomas Hancock of users selected this choice.
Choice "C": Charles Goodyear of users selected this choice.
Choice "D": Charles Macintosh of users selected this choice.

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