Given the Information in the Following Table, ________ Is the Cost-Effective

question 8

Multiple Choice

Given the information in the following table, ________ is the cost-effective way to reduce the phosphorous concentration in the Bay of Quinte.

• A)reduction in phosphorus inputs from agricultural runoff
• B)alum treatment of sediments in the bay
• C)tertiary treatment at sewage treatment plants
• D)treatment of wastewater from water treatment plants

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Definitions:

Open Circuit

A break in an electrical circuit preventing current from flowing.

DC Circuit

A circuit that has a constant direction of flow of electric current, typically using direct current (DC) as its power source.

Directly Proportional

A relationship between two variables where if one increases, the other one also increases at a constant ratio.

Inversely Proportional

A relationship between two variables where when one variable increases, the other decreases at a rate that maintains the constant product of the two variables.