Geologists have divided earth's history into time units, which are largely based on

a. fossils. b. climates. c. magnetism in rocks. d. evidence of erosion.

Select the word from the list that best fits the definition of branch of islam that is in iran

Democratic vs democratic whats the difference? ?

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