Which branch of geography is described below?

the study of the earth, its features, and how they vary, from mountains, to weather patterns, to climates, to plants and animals

a.) human geography

b.) physical geography

c.) animal geography

d.) natural geography

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