Write in two points of peace

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.

The is a system for selecting the president of the united states. a. voter registration c. bi-partisan politics b. electoral college d. none of the above select the best answer from the choices provided

The homestead act made it possible for millions of people to achieve the dream of acquiring immense wealth. owning a farm. living in a brick house. moving to a big city.