Civics & government

true or false:
the imposition of the death penalty to a juvenile or a person deemed mentally impaired is unconstitutional based on the cruel and unusual punishment clause.

Which of the following items would serve as a primary source for a historian studiying the american civil war

The economy of the united states is best described as

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.