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Physics 20 Online
OpenStudy (anonymous):

Which type of electromagnetic radiation is the only type that humans can see with their eyes? Gamma rays Ultraviolet rays Visible waves Rays

OpenStudy (experimentx):

this article should be helpful http://en.wikipedia.org/wiki/Electromagnetic_spectrum

OpenStudy (experimentx):

hint ... try to see the meaning behind these options.

OpenStudy (anonymous):

Hi 3rd

OpenStudy (anonymous):

thank youu!

OpenStudy (anonymous):

your welcome new friend

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