Commander Lewis makes two hard decisions in the beginning of the movie. The first to abort the mission and the second to leave Watney behind. Why do you think she did that? Do you agree with her? Why/Why not? Explain

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.