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An amphoteric substance acts as an acid in strongly basic solution and as a base in strongly acidic solution.
Durable Goods
Things that last at least a year or two.
Nondurable Goods
Goods that are expected to last or be used for less than one year.
Consumption of Services
The action of using services such as healthcare, education, and utilities, which contributes to an individual's standard of living.
Consumer Spending
The total amount of money spent by households and individuals in an economy on goods and services, excluding savings and investments, directly influencing economic growth.
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