-Consider the Flexible Pricing Chart Above,which Shows the Results of a National

question 282

Multiple Choice

-Consider the flexible pricing chart above,which shows the results of a National Bureau of Economic Research study of 750,000 car purchases.The data indicate that some groups of car buyers,on average,paid roughly $105,$423,and $483 respectively,for a new car in the $21,000 range than the typical purchaser.Who are the car buyers in "A?"

• A)women
• B)the elderly
• C)Hispanics
• D)African Americans
• E)Asian Americans

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Definitions:

Pesticide Treadmill

A situation where farmers must continuously use more and different chemicals to control pests that have developed resistance to pesticides.

Net Primary Productivity

The rate at which all the plants in an ecosystem produce net useful chemical energy; essentially, it is the amount of energy that is available to the primary consumers in an ecosystem.

Photosynthesis

The process by which green plants, algae, and some bacteria convert light energy, usually from the sun, into chemical energy in the form of glucose, using water and carbon dioxide and releasing oxygen as a byproduct.

Biomass

A quantitative estimate of the total mass, or amount, of living material in a particular ecosystem.