Which statement best describes the power of government provided by the articles of confederation?
a) the national government held most of the power.
b) congress enforce it's power by taxing the state.
c) the state had more power than national government.
d) government served to successfully unite the needs of all states.

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.