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Which are uses of lasers? Check all that apply.

1 scanning a bar code on a price tag for a shirt
2 creating a magnified image of the moon
3 cutting an iron bar into two pieces
4 reshaping a cornea to improve vision
5 making a leaf appear larger so its veins are visible

1 Answer

3 votes

A) scanning barcodes

D) cutting through metals, ceramics, plastics, and cloth

E) correcting vision problems

User Barry Franklin
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