Sara, a life-long ballet student, says she feels like she does not want to participate in ballet anymore. she also states she is tired and cannot seem to get enough sleep. which disorder is sara most likely experiencing? (1 point)

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.