Which of the following are true of the eskimo people? 1. they built homes of earth, grass, and wood. 2. they built kayaks and umiaks to hunt on the ocean. 3. they are closely related to other indian tribes. 4. they could be wasteful in their rich environment. 5. they used wampum for trade. 6. they depended upon the seal the way the plains people did the buffalo. 7. they would wear two sets of clothes in cold weather.