why was the Song dynasty's shift to paper currency an improvement over coin currency? A. Paper currency was cheaper to manufacture. B. Paper currency was harder to counterfeit. C. Paper currency was more durable. D. Paper currency was easier for traveling traders to use.

How could a works-cited list a reader determine whether to believe the claims you make in an essay? a. by synthesizing your conclusions into a simple objective summary o b. by proving that your claims are supported with credible evidence ) c. by allowing you to make claims without quoting other writers o d. by providing a clear organizational structure to your essay