Which of the following are results of the Voting Act of 1965? Check all that apply* Fewer legal barriers exist to prevent African Americans from voting. More discriminatory voting laws have been created. Fewer African Americans are registered voters. More tools are available to the federal government to ensure equal voting rights.

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.