By 2030,the U.S.population Is Expected to Exceed

question 237

Multiple Choice

By 2030,the U.S.population is expected to exceed

• A)273 million.
• B)314 million.
• C)323 million.
• D)359 million.
• E)414 million.

---

Definitions:

Efficient Rate

The optimal point at which the cost of undertaking an activity is minimized and productivity is maximized.

Emissions

The release of substances (usually gases or particulates) into the environment, often referring to pollutants released into the air by vehicles and industrial processes.

Marginal Social Benefits

The additional benefit that society gains from consuming one more unit of a good or service.

Marginal Social Cost

The total cost to society of producing one additional unit of a good or service, including both private costs and any external costs.