Generally, as the Proportion of Middle-Income Households in a Country

question 97

Multiple Choice

Generally, as the proportion of middle-income households in a country __________, the nation's purchasing power increases.

• A)increases
• B)decreases
• C)levels off
• D)reaches 33% of the total population
• E)reaches 50% of the total population

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Definitions:

Reactivity

The tendency of a substance to undergo chemical reaction, either by itself or with other materials, and to release energy.

Compounds

Compounds are chemical substances made up of two or more different chemical elements, bonded together in a fixed proportion by chemical bonds.

Transition State

A high-energy, intermediate state of the reactants during a chemical reaction that leads to the formation of products.

Solvolysis

The chemical process of breaking bonds in a compound by reaction with a solvent.