A mental construct is also known as a ?

Where did thomas pain right the federalist papers

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.

Which of the following is considered a push factory a.available jobs b. unfair treatment c. religious freedom d.affordable land