How Have Humans Extended Earth's Carrying Capacity for the Human

question 30

Multiple Choice

How have humans extended Earth's carrying capacity for the human species? 

• A) by controlling many diseases 
• B) by using material resources at a sustainable rate 
• C) by decreasing life span 
• D) by using energy resources at a reduced rate

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Definitions:

Marginal Revenue Product

The additional revenue generated from using one more unit of a factor of production, used to determine the optimal level of resource allocation.

Productivity

The measure of how efficiently goods and services are produced, often gauged by the output per unit of labor input.

Labor

The effort by individuals to produce goods or services in exchange for wages or salary.

Wages

Payments made by employers to employees for their labor, typically calculated on an hourly, daily, or piecework basis.