What are some of the global impacts of climate change

What was the first official pair of sister cities?

Which revelation resulted from the observation of the spectrum of different galaxies? a. there were more galaxies whose spectrum was blueshifted b. there were no galaxies whose spectrum was redshifted c. there were more galaxies whose spectrum was redshifted d. there were no galaxies whose spectrum was blueshifted

Fossils of glossopteris, an extinct fern, were discovered on which continents to support the theory of continental drift? check all that apply.