Since 1955,the Global Life Expectancy Has Risen to ____

question 23

Multiple Choice

Since 1955,the global life expectancy has risen to ____.

• A) 48 years
• B) 52 years
• C) 70 years
• D) 72 years
• E) 78 years

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Definitions:

Diminishing Returns

A principle stating that as investment in a single area increases, the rate of profit from that investment, after a certain point, cannot continue to increase if other inputs remain constant.

Marginal Product

The additional output generated by employing one more unit of a particular input, holding all other inputs constant.

Hiring Labor

The process of engaging individuals to perform services or work for compensation.

Stock Prices

The current market price of a share of a company's stock, reflecting investor perceptions of the company's future financial prospects.