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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 of these was not a component of the american system? a) protective tariff b) internal improvements c) universal manhood suffrage eliminate d) the 2nd bank of the united states

Did egypt invent wheels or sailboats