Equations can be balanced by using the half-reaction method. which step should be completed immediately after finding the oxidation states of atoms? a; inserting the coefficients b; balancing the half reactions c; identifying the half reactions d; inspecting the number of atoms

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.