Western powers that had spheres of influence in china had
a. total control over the chinese

b. an agreement to share power with the nationalists

c. an agreement to permit peasants to own land

d. some control but did not govern directly

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.