According to a 2002 Study by Scientists at the National

question 40

Multiple Choice

According to a 2002 study by scientists at the National Water -Quality Assessment Program (NAWQA) , _______________ % of U.S.streams contain traces of wastewater contaminants.

• A)less than 1
• B)100
• C)50
• D)10
• E)80

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Definitions:

Phillips Curve

An economic theory that suggests an inverse relationship between the rate of inflation and the unemployment rate.

Aggregate Demand

The overall requirement for products and services in an economic setting, identified at a specific price level and time period.

Short-Run Aggregate Supply

The total supply of goods and services that firms in an economy plan on selling during a short-term period, assuming some input prices are fixed.

Inflation

A sustained increase in the general price level of goods and services in an economy over a period of time, leading to a decrease in the currency’s purchasing power.