Some animals migrate, or seasonally move to a different place. In some bird populations, such as Canada geese, some birds migrate and some stay in the same area year-round. Migration can enhance the survival of individuals because it — a A exerts a lot of energy. b B causes adaptations to occur more frequently. c C helps them avoid predators. d D makes finding necessary resources more likely.

Which of the following is not true of the xiongnu empire? burial mounds included glass beads and mirrors made from the sands throughout the region. there was more cooperation through trade between the tribes. other tribal units that were eventually assimilated were indo aryan, xianbei, hunyu, scythina and han chinese. as each nomadic tribe and civilization was conquered or absorbed into the larger empire, the xiongnu were able to hold more territory.

Which country was the first to industrilzalize on the content of europe

A. what was the women's rights movement? b. what was the temperance movement? c. what was the second great awakening? d. what was one education reform?