Which Is NOT True About the Use of Economic Models

question 66

Multiple Choice

Which is NOT true about the use of economic models?

• A) Economic models are simplified representations of the real world.
• B) Economists always use experiments in science laboratories to test their theories.
• C) Economists use what has already happened in the real world to test their theories.
• D) Economists are employed to explain economic phenomena but are never used to predict what might happen next.

---

Definitions:

Nodes

Points of intersection or branching, such as within a network, or specific regions on a plant stem where leaves are attached.

Specialized Stem

A stem modified for functions other than support and conduction, such as storage, photosynthesis, or propagation.

Gaseous Exchange

The process of exchanging oxygen and carbon dioxide between an organism and its environment, crucial for respiration.

Stomata

Tiny openings or pores in plant leaves and stems that control gas exchange.