Arectangular prism of volume 84 cm 3 has a mass of 760 g. what is the density of the rectangular prism? 5.8 g•cm 3 9.0 g/cm 3 68 g/cm 3 0.11 cm 3 /g

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.