Hey Gnome Nation. Did you ever wonder what makes Red, Red? Then today is your lucky day! #sci6p12 #Hashtag180 #SalemProud http://pic.twitter.com/lWII1sQKSP— Bill Ferriter (@plugusin) May 24, 2017
Here is some more information about color and wavelengths of light. The first half of this video also explains the electromagnetic spectrum.
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