Why do you think sutter and marshall are not happy to have found gold?

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.

When we adapt our current understandings to incorporate information we have engaged in?

Identify and describe the purposes of taxation.