20 How did the people of the Arctic learn to adapt their shelters to the resources that were available?
21 Because there were no trees in the Arctic, the people used blocks of ice to build shelters called igloos. In the summer, Arctic people build shelters out of sod or lived in tents made from sealskin.
22 Which natural resource is most important to people of the Eastern Woodlands and the Northwest Coast? grassadobecorn
38 Why did the economy of Native Americans living the Arctic cause families to band together? They held potlatch celebrations to share their many resources.They were able to grow plenty of food in the summer.They had to travel long distances to hunt seals.When food was scarce, the families shared seal meat.
39 D. When food was scarce, the families shared seal meat.
40 What are some of the unique features of an early civilization you have read about?
41 In the Mayan civilization, powerful kings ruled In the Mayan civilization, powerful kings ruled. The Olmec developed a 365-day calendar. The Mayans developed a counting system that included zero.