The Level of Wastewater Treatment That Involves Filtration Through Sand

question 6

Multiple Choice

The level of wastewater treatment that involves filtration through sand and carbon filters is

• A)primary wastewater treatment
• B)secondary wastewater treatment
• C)tertiary wastewater treatment
• D)quaternary wastewater treatment

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Definitions:

Interest Rate

The percentage charged on a loan or paid on savings over a period, typically expressed as an annual percentage of the principal.

Urban Land

Areas of land characterized by higher population density and vast human features in comparison to areas surrounding it, often dedicated to commercial, residential, and infrastructure use.

Fixed

Something that is constant or unchangeable over a certain period of time, such as a fixed interest rate.

Profits

The financial gain obtained when the revenues generated from business activities exceed the expenses, costs, and taxes involved in sustaining the activity.