if a nation obtains more resources, points that were outside the production possibilites curve prior to its gaining more resources become a)attainable b)extraneous c)irrelevant d)obsolete e) harmful Solution a) attainable Production Possibilities Curve As we produce thousands of different goods and services. To understand the trade-offs faced by an individual or society we use an economic model which is ascalled the production possibilities curve. Economic model is to simplify the real world and is made for illustrating economic theories. The production possibilities curve shows combination of these two goods or services which are to be produced by the technology and resources being used currently. Combination used over and under the line are attainable instead by the points which are outside the line are not attainable, given our current resources and technology..