What are Cherokees Apache and Navajo tribe’s origins and connection with present activities

What words in the preamble to the constitution reflect the principle of popular sovereignty

The controlled use of fire by hominids: (a) limited the expansion of hominids into certain environments, such as dry grasslands. (b) decreased the amount of food energy available in the hominid diet. (c) contributed to geographical expansion and food production techniques in positive ways. (d) has been shown to contribute little to the digestive process of hominids.

On a production possibility curve, data points that fall outside of the curve represent what