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Who invented plexiglas?
by Answerbag Staff on May 15th, 2011
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if a mineral, eg: iron, is turned into a pan or a horse shoe, is it still a mineral? I dont think so but my brother does.
by HOoYOo on April 23rd, 2012
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What is carbon dating in fossils?
by Answerbag Staff on May 14th, 2011
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What are telescopes used for?
by Answerbag Staff on May 13th, 2011
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When were umbrellas invented? What were the early ones made of?
by PokerPaul on April 25th, 2012
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