Select the Best Statement

question 23

Multiple Choice

Select the best statement.

• A)Physical changes may be reversed by changing the temperature.
• B)Physical changes alter the composition of the substances involved.
• C)Physical properties are not valid characteristics for identifying a substance.
• D)Physical properties are mostly extensive in nature.
• E)Physical changes are usually accompanied by chemical changes.

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Definitions:

Aggregate Demand

Aggregate demand represents the total demand for goods and services in an economy at a given time and price level.

Taxes

Compulsory financial charges or levies imposed by a government on individuals or entities to fund public expenditures.

Government Spending

The total amount of public expenditures by the government, including spending on healthcare, education, infrastructure, and defense.

Pessimism

A tendency to see the worst aspect of things or believe that the worst will happen; a lack of hope or confidence in the future.