Cornett discussed how he felt it was important for his community to begin and continue to engage in a conversation about obesity. Explain why the conversation piece is so important in making successful changes in a town. Do you believe topics such as obesity should be discussed in places like schools and businesses? Why or why not?

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.