User contributions for 170340476

A user with 2 edits. Account created on 15 November 2017.
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1 November 2018

  • 15:2915:29, 1 November 2018 diff hist +326 N X-rays Created page with " An X-ray is a form of electromagnetic radiation that have a wavelength between 0.01 to 10 nanometers and a frequency between3×1016 Hz to 3×1019 Hz. their high photon..."

6 December 2017