UrAWizardHaley
UrAWizardHaley UrAWizardHaley
  • 26-09-2017
  • Biology
contestada

X-rays _____.

were discovered by accident

have no uses today

reduced infection after surgery

were invented by the British Army

Respuesta :

girlygirl246
girlygirl246 girlygirl246
  • 27-09-2017
X-rays were discovered by accident (by Wilhelm Rontgen).
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