For Demand to Be Unit Elastic

question 19

Multiple Choice

For demand to be unit elastic,

• A)the percentage change in quantity demanded must be equal to the associated percentage change in price.
• B)the percentage change in quantity demanded must be less than the associated percentage change in price.
• C)quantity demanded must change with a change in price.
• D)demand must change with a change in price.
• E)the percentage change in quantity demanded must be greater than the associated percentage change in price.

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Definitions:

Carbon Dioxide

An odorless, colorless gas that comes from the combustion of carbon and organics, plus through respiration, and is captured by plants in their photosynthesis process.

Ice Cores

Cylindrical samples taken from ice sheets or glaciers, used in climate research to analyze past atmospheric and environmental conditions.

Theory of Atoms

A scientific theory that matter is composed of discrete units called atoms, which are the basic building blocks of chemical substances.

Law of Definite Proportions

A chemical law stating that a compound always contains exactly the same proportion of elements by mass.