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what is evidnece that cathode rays are part of matter?

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ok. matter is everything that surround us. anything that has mass, energy etc. liquid, solid, gases are all matters. even anything that moved having a velocity or kinetic energy or mass or even anything we can't see is matter.

i recommend that you read more on cathode rays and get infor on the properties of the cathode ray. the property should include something like; travels as electromagnetic waves etc...

hope that helps
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