PLEASE ANSWER FAST!! :) Nomadic herding, slash & burn agriculture, cash crops and major exporter of raw
materials are
features of Sub-Saharan Africa.
•Cultural
•Economic
•Physical
•Political

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