The Optimal Level of Air Quality

question 27

Multiple Choice

The optimal level of air quality

• A)is 100 percent, which creates a pollution-free environment
• B)is smaller the lower the marginal social cost of air quality
• C)is greater the lower the marginal social benefit of air quality
• D)is greater the lower the marginal social cost of air quality
• E)is smaller the greater the marginal social benefit of air quality

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Definitions:

Homeostasis

The process by which a living organism or cell maintains a stable internal environment despite changes in external conditions.

Propinquity

The tendency for people to form close relationships or feel a sense of attraction with others who are geographically close or frequently encountered.

Unbalance

A state of lack of equilibrium or stability, either physically, emotionally, or in terms of a system or situation.

Acquiescence

The act of agreeing or consenting without protest, often with little enthusiasm or conviction.