When charted on a graph, production possibilities frontiers tend to curve because they show a)the increasing costs resulting in increasingly less output b)the underutilization of resources c)the technological level of the economy’s productivity d)the maximum output of goods and services

Production possibilities frontier's curb when they are charted on a graph because they indicate the increase in costs resulting in increasingly less output. In addition, when a production possibility frontier is bowed outward as more of one good is produced it is opportunity cost increases. The production possibilities frontier indicate that maximum amounts of an economy can produce.