To Gain from Comparative Advantage, Countries Must Trade, and Must

question 185

Multiple Choice

To gain from comparative advantage, countries must trade, and must

• A) save.
• B) invest.
• C) do research and development.
• D) add add capital equipment.
• E) specialize.

---

Definitions:

Unhealthy Air

Air that is contaminated with pollutants at levels which are harmful to human health and the environment.

Urban Areas

Regions characterized by high human population density and vast human-built features in comparison to the areas surrounding them.

Ratio

A quantitative relationship between two numbers showing the number of times one value contains or is contained within the other.

Atmospheric Layer

A region in the Earth's atmosphere differentiated by characteristics such as temperature and composition, including the troposphere, stratosphere, mesosphere, thermosphere, and exosphere.