What Is Earth's Distance from the Sun

question 3

Multiple Choice

What is Earth's distance from the Sun?

• A) 0.39 AU
• B) 0.72 AU
• C) 1.0 AU
• D) 1.5 AU
• E) 2.8 AU

---

Definitions:

Ricardian Model

A model in international trade theory that explains international trade patterns based on comparative advantage.

Production Possibility Frontiers

A curve depicting all maximum output possibilities for two goods, given a set of inputs resources, and technology, illustrating the trade-offs in production choices.

Opportunity Cost

Forgoing possible benefits from other options by selecting a particular one.

Straight Lines

Lines in a geometric space that have the same direction throughout and no curvature.