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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

2 Answers

4 votes

laser ,microwave oven , and personal computer

User Yagiro
by
8.1k points
1 vote
the microwave would be your best guess it was first made in 1946
User Vdwees
by
7.8k points
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