karlahsnider241 karlahsnider241
  • 24-05-2018
  • Physics
contestada

A mechanical wave must have a ______ while an electromagnetic wave does not have to require a ________

Relax

Respuesta :

AL2006
AL2006 AL2006
  • 24-05-2018
medium (material stuff to travel through)

medium (material stuff to travel through)
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