France produces wine and tractors. If, given the same resources, France can increase production of wine and tractors, at the same time, then France A: is producing outside his Production Possibility Frontier B: is has achieved technological advancement in the production of kola and cashew nuts C: is producing on its Production Possibility Frontier D: is producing inside its Production Possibility Frontier

Historical evidence indicates that scarcity of natural resources has ( ) A: caused slower world economic growth. B: nearly stopped economic growth in most countries throughout the world. C: not limited economic growth. D: limited economic growth, but only in high-growth countries.

TRANSLATE THE FOLLOWING SENTENCE INTO CHINESE. "Investing activities in an entity are those associated with the acquisition and disposal of long-term resources used in the entity’s production, selling or administrative tasks."

On a production possibilities frontier, production is efficient if the production point is

Mechanisms that bacteria use to evade host defense include A: production of proteases B: production of capsules C: manage to live inside host cells D: all of above E: b and c only