The Warsaw Pact (1955-1991) 1. when was it created?

2. why was it created?

3. what influence/effect did it have?

4. why do you think there is no Warsaw Pact today?

Choose one of these concerns and write a short paragraph about its impact on africa. what has caused this problem to occur, and how has it impacted people who live there?

Which type of learning occurs when you observe how other people act?

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.