If we learned that diagnoses of schizophrenia tend to be higher among members of low socioeconomic groups than among members of more affluent groups, this finding would support which perspective of abnormal behavior?

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.