What is the phase of the star’s life cycle that occurs after the cepheid phase?

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

~~16. while watching a special on animals, brianna discovers that hares tend to lose heat through their ears. based on this and what is known about surface-to-volume ratios, propose an explanation as to why hares that live in hot climates (such as the desert) have large, extended ears

Are the earth's ocean floor and continents the same age geologically? why or why not?