The Andes in western South America are an example of a landform that arises from the

How many countries have portuguese as a national language?

Distance that the transcontinental railroad covered from omaha to san francisco.

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