State one type of additional information that could be used to determine if these three species are closely related.

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.

Which method would be best to separate a mixture of sand and gravel

The movement of tectonic plates and in two locations is described below: location a: tectonic played push together location b: tectonic plates push apart