Why does justin ask, “what kind of bird can that be, with no wings? ”

Where is the vascular system located

What is the mostly tropical region in asia

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