princess31394 princess31394
  • 11-11-2019
  • Biology
contestada

Gems called rubies are used in lasers.
Please select the best answer from the choices provided

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yunus16 yunus16
  • 11-11-2019
????????????????????? How are we meant to answer this
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jejwwi73
jejwwi73 jejwwi73
  • 10-01-2021

Answer:

Explanation:

f

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