Question

1. the problem of resources being limited, but wants being unlimited is the economic concept of ______. economy of scale opportunity cost supply scarcity

Explanation:

The question describes the core economic problem where limited resources cannot satisfy unlimited human wants. "Scarcity" is the term that directly refers to this mismatch. Economy of scale relates to cost advantages from production size, opportunity cost is the value of the next best alternative, and supply is the quantity of a good available—none match the described concept.

Answer:

D. scarcity