From 1817 to 1825 the erie canal was built from the albany area through utica and syracuse then just south of rochester to buffalo. what landscape did the canal follow?

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