NEED HELP WILL MARK BRAINLIEST
HAVE TO BE ACURATE/GOOD ANSWER

With reference to competition in the free enterprise system, why is some governmental regulation of economic policy important.

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.