Ineed ! hurry anyone know the answer? !
( you! )

How did presidential reconstruction allow black codes to be passed

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.

How does the author's discussion of schroeder's study contribute to the development of ideas about how children react to mistakes?