What Does the Air Quality Index Measure

question 61

Multiple Choice

What does the Air Quality Index measure?

• A)carbon monoxide,sulfur dioxide,nitrogen dioxide,particulate matter,and ground-level ozone
• B)carbon monoxide,nitrogen dioxide,particulate matter,and ground-level ozone
• C)sulfur dioxide,nitrogen dioxide,particulate matter,and ground-level ozone
• D)carbon monoxide,sulfur dioxide,and nitrogen dioxide

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Definitions:

Fertile Land

Soil or land that is rich in nutrients, making it highly productive for agriculture.

Scarcity

A situation in which available resources are insufficient to satisfy all wants and demands.

Recessions

Periods of temporary economic decline during which trade and industrial activities are reduced, generally identified by a fall in GDP in successive quarters.

Macroeconomics

The branch of economics that is concerned with the overall ups and downs in the economy.