Help ASAP! I'll mark brainliest! its 4am and i really need help

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.

What does it mean when a government decides to do something?

Stie cineva cati ani poti fii director de sa imi specificati si legea va rog