The Most Abundant Gas in the Stratosphere Is ____

question 27

Multiple Choice

The most abundant gas in the stratosphere is ____.

• A)oxygen (O₂)
• B)nitrogen (N₂)
• C)carbon dioxide (CO₂)
• D)ozone (O₃)
• E)chlorofluorocarbons (CFCs)

---

Definitions:

Pay-per-view Movies

A service that allows consumers to pay for individual movies to watch rather than subscribing to a broad service offering.

Common Resource

A resource like air or water that is available to all but can be depleted by overuse.

Nonrival

A characteristic of a good or service indicating that one person's consumption does not diminish the availability of that good for consumption by others.

Market Economy

An economy in which decisions about production and consumption are made by individual producers and consumers.