Which of the following things were invented or first used in the 1950s?
first heart tr...
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History, 06.10.2019 01:10 zakiyacarlton
Which of the following things were invented or first used in the 1950s?
first heart transplant, chicken pox vaccine, microwave ovens, first personal computer, use of barcodes, creation of the laser.
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Answers: 1
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