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OpenStudy (peterg2001):
help please Which of the following elements is/are represented in the spectrum below? http://media.education2020.com/evresources/GizmoQuestions/EL_MSES_StarSpectra4.gif a.Hydrogen only b.Helium only c.Hydrogen and helium d.Calcium only
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OpenStudy (peterg2001):
@HelpBlahBlahBlah @hhelpplzzzz
OpenStudy (peterg2001):
@hhelpplzzzz
OpenStudy (peterg2001):
@hhelpplzzzz
OpenStudy (peterg2001):
@hhelpplzzzz
OpenStudy (peterg2001):
@hhelpplzzzz
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OpenStudy (peterg2001):
@hhelpplzzzz
OpenStudy (peterg2001):
@hhelpplzzzz
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