You are asked on a test to name the colors of the rainbow, and you are able to remember them by using the of ROY G. BIV as an acronym for red, orange, yellow, green, blue, indigo, and violet.

This refers to weather and atmospheric conditions measured over a long period of time.

What does it signify if point 1 shifts down and to the right? a. the price level and the real gdp are falling. b. the real gdp is falling, and supply is increasing. c. the price level is rising, and production is increasing. d. the price level is falling, and demand and the real gdp are rising.

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.