A graph showing all the combinations of goods and services that can be produced if all of society’s resources are used efficiently is a ?

(A) capital consumption frontier. (X)
(B) Lorenz curve. (X)
(C) Circular-flow diagram. (X)
(D) Production possibility curve. ()

Answers: A graph showing all the combinations of goods and services that can be produced if all of society’s resources are used efficiently is a  Production possibility curve.