Which statement is accurate summary of how american citizenship has changed over time

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.

In the 1600s, the american colonies passed many laws that affected the rights and activities of specific groups of people. which of the following was one of these laws?slaves were defined as servants for apex

These facilities were organized and sponsored by churches or charities during the great depression in an effort to feed the homeless and needy.