What two consumer characteristics define demand?
a. able and employed
b. willing and able
c. employed and willing
d. employed and ambitious

Why are field trips an important part of education

Dried paste made of boiled beef cow hooves eggs and vegtables what soup

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.