Tonya, who recently discovered her husband was having an affair, disappeared for several days and was found by the police sleeping under a bridge. she claimed that her name was mary and that she had no memory of her life as tonya. this case illustrates

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.