The Fact That Water Expands as Much as 9% of Its

question 7

Multiple Choice

The fact that water expands as much as 9% of its volume as it freezes is the basis of

• A) oxidization.
• B) exfoliation.
• C) salt crystal growth.
• D) frost wedging.

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Definitions:

Marginal Tax Rate

The rate at which the last dollar of a taxpayer’s income is taxed, indicating the proportion of additional income that is paid in taxes.

Proportional Tax

A tax system where the tax rate remains constant regardless of the amount subject to taxation.

Regressive Tax

A tax system wherein the tax rate decreases as the taxable amount increases, placing a higher burden on lower-income earners.

Sales Tax

A tax on the value of goods sold.