Over half of the african-american population in the united states live in

The largest internal organ in the frog is the

Give reason sugarcane waste can be recycled into useful products

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