Why do you think that race and ethnicity affect life chances in so many different societies?

These factors threaten north americas ecosystems

Which characteristics of temperature and salinity have the greatest influence on the movement of deep-ocean currentsa. warm and low salinityb. cold and high salinityc. cold and low salinityd. warm and high salinity

According to the theory of continental drift, what was the priginal state of the worlds continents