A aussie2008 New Member Joined Nov 19, 2008 Messages 24 Gender Female HSC 2009 Jul 5, 2009 #1 define a spectrum?
kaz1 et tu Joined Mar 6, 2007 Messages 6,960 Location Vespucci Beach Gender Undisclosed HSC 2009 Uni Grad 2018 Jul 5, 2009 #2 An ordered array of the components of an emission or wave or a rainbow.