Kella99 Kella99

16-06-2017
History

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Which of the following things were invented or first used in the 1950s? heart transplant chicken-pox vaccine microwave oven personal computer barcode laser

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skullcrusher252 skullcrusher252

16-06-2017

the microwave would be your best guess it was first made in 1946

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araelrod873 araelrod873

16-11-2018

laser ,microwave oven , and personal computer

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