What are some examples of cultural segregation?

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

What is unusual about the iraq mountains ,in spite of their old age?

Which event had the greatest impact on culture of south america