What three products that depend on trade

Which of the following is not critical in decision making? a. taking action independentlyb. considering internal factorsc. considering external factorsd. considering decision consequences

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.

Describe some effects of the rise of communism in the soviet union?