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Children begin to use tools at about what age? a. 18 months b. 2 years c. 1 year d. 6 months

Rank the following from most to least devasting: ordovician,permaian,cretaceous, pleistocene

Which of the following did the founding fathers see as a benefit of the federal structure (federalism) of government? a.) all power is concentrated in the national government. b.) the power is divided between national and state governments. c.) all the power is concentrated in the state and local governments. d.) the power is divided between the people and the government