Figure abcd was reflected across the x-axis to create figure a'b'c'd'.

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

Countries in this region are trying to achieve development. a. attainable c. sustainable b. suspendable d. intangible

Which of the following countries was not an ally to the u.s.s.r. during the cold war? west germany poland romania cuba