Which object, initially called the 'Whirlwind', was invented by Ives McGaffey in 1869 ?
Answer: C
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Who invented Dynamite?
Answer: D
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W. Harvey discovered by
Answer: C
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What office item was invented by Bette Nesmith Graham in 1951?
Answer: C
Bette's other claim to fame was being the mother of Michael Nesmith of the Monkees.
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In which decade was the ARRL founded?
Answer: D
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The four blood groups were discovered by
Answer: B
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First lock-stitch sewing machine was invented in 1833 by
Answer: D
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Elias Home invented
Answer: A
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The theory of Evolution was produced by
Answer: D
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By which country was Atomic bomb was first successfully developed
Answer: A
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