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Social Studies, 05.01.2021 02:30, syd5723
T or f: In 1807, the railroad was an important means of mass transportation in the United States
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Social Studies, 22.06.2019 18:40, student176
Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.
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Social Studies, 23.06.2019 09:30, emmanuelmashao6704
Which of the following situations best demonstrates the principle of separation of powers in the u. s. government? a. the president can veto laws passed by the legislature. b. the courts must approve constitutional amendments. c. states create their own educational policies. d. members of the legislature are elected by voters.
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T or f: In 1807, the railroad was an important means of mass transportation in the United States...
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