1. Choose the concept that you think is most important in the creation of a
democracy

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.

Is when a person has given their consent based on understanding the actions and facts of a study?

Where is sub-saharan africa located?