What was an important reason for the spread of factories in america in the early-nineteenth century?

Consider the role of dr. kenny in the novel. how does rukmani feel about him, and what theme is represented by their interactions? respond in at least 150 words.

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.

Which choice best describes how your answer compares to the sample