How did the idea of citizenship descend from ancient Rome to modern times?

When and why were fingerprints first used in the united states

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.

What primary role of regulatory agencies is the article excerpt referring to check all that apply